Home / 93,669.70-140,504.55-83,828.20

Finding the Fourth Proportional to 93,669.70, 140,504.55 and 83,828.20

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Solution

The fourth proportional to 93,669.70, 140,504.55 and 83,828.20 is: 125,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,669.70 : 140,504.55 = 83,828.20 : x
  2. Step 2: Convert to fraction form
    93,669.70/140,504.55 = 83,828.20/x
  3. Step 3: Cross multiply
    93,669.70x = 140,504.55 × 83,828.20
  4. Step 4: Simplify right side
    93,669.70x = 11,778,243,518.31
  5. Step 5: Solve for x
    x = 11,778,243,518.31/93,669.70
  6. Step 6: Final answer
    x = 125,742.30

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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.