Home / 70,691.27-97,543.06-42,000.31

Finding the Fourth Proportional to 70,691.27, 97,543.06 and 42,000.31

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Solution

The fourth proportional to 70,691.27, 97,543.06 and 42,000.31 is: 57,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.27 : 97,543.06 = 42,000.31 : x
  2. Step 2: Convert to fraction form
    70,691.27/97,543.06 = 42,000.31/x
  3. Step 3: Cross multiply
    70,691.27x = 97,543.06 × 42,000.31
  4. Step 4: Simplify right side
    70,691.27x = 4,096,838,822.68
  5. Step 5: Solve for x
    x = 4,096,838,822.68/70,691.27
  6. Step 6: Final answer
    x = 57,953.96

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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.