Home / 93,678.20-129,279.01-51,236.73

Finding the Fourth Proportional to 93,678.20, 129,279.01 and 51,236.73

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Solution

The fourth proportional to 93,678.20, 129,279.01 and 51,236.73 is: 70,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,678.20 : 129,279.01 = 51,236.73 : x
  2. Step 2: Convert to fraction form
    93,678.20/129,279.01 = 51,236.73/x
  3. Step 3: Cross multiply
    93,678.20x = 129,279.01 × 51,236.73
  4. Step 4: Simplify right side
    93,678.20x = 6,623,833,601.95
  5. Step 5: Solve for x
    x = 6,623,833,601.95/93,678.20
  6. Step 6: Final answer
    x = 70,708.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.