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Finding the Fourth Proportional to 93,735.34, 129,354.78 and 51,293.88

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Solution

The fourth proportional to 93,735.34, 129,354.78 and 51,293.88 is: 70,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,735.34 : 129,354.78 = 51,293.88 : x
  2. Step 2: Convert to fraction form
    93,735.34/129,354.78 = 51,293.88/x
  3. Step 3: Cross multiply
    93,735.34x = 129,354.78 × 51,293.88
  4. Step 4: Simplify right side
    93,735.34x = 6,635,108,562.75
  5. Step 5: Solve for x
    x = 6,635,108,562.75/93,735.34
  6. Step 6: Final answer
    x = 70,785.56

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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.