Home / 93,330.80-139,996.20-31,001.30

Finding the Fourth Proportional to 93,330.80, 139,996.20 and 31,001.30

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Solution

The fourth proportional to 93,330.80, 139,996.20 and 31,001.30 is: 46,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,330.80 : 139,996.20 = 31,001.30 : x
  2. Step 2: Convert to fraction form
    93,330.80/139,996.20 = 31,001.30/x
  3. Step 3: Cross multiply
    93,330.80x = 139,996.20 × 31,001.30
  4. Step 4: Simplify right side
    93,330.80x = 4,340,064,195.06
  5. Step 5: Solve for x
    x = 4,340,064,195.06/93,330.80
  6. Step 6: Final answer
    x = 46,501.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.