Home / 70,116.72-96,760.20-38,285.28

Finding the Fourth Proportional to 70,116.72, 96,760.20 and 38,285.28

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Solution

The fourth proportional to 70,116.72, 96,760.20 and 38,285.28 is: 52,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116.72 : 96,760.20 = 38,285.28 : x
  2. Step 2: Convert to fraction form
    70,116.72/96,760.20 = 38,285.28/x
  3. Step 3: Cross multiply
    70,116.72x = 96,760.20 × 38,285.28
  4. Step 4: Simplify right side
    70,116.72x = 3,704,491,349.86
  5. Step 5: Solve for x
    x = 3,704,491,349.86/70,116.72
  6. Step 6: Final answer
    x = 52,833.21

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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.