Home / 73,142.38-100,936.85-40,877.52

Finding the Fourth Proportional to 73,142.38, 100,936.85 and 40,877.52

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Solution

The fourth proportional to 73,142.38, 100,936.85 and 40,877.52 is: 56,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,142.38 : 100,936.85 = 40,877.52 : x
  2. Step 2: Convert to fraction form
    73,142.38/100,936.85 = 40,877.52/x
  3. Step 3: Cross multiply
    73,142.38x = 100,936.85 × 40,877.52
  4. Step 4: Simplify right side
    73,142.38x = 4,126,048,104.61
  5. Step 5: Solve for x
    x = 4,126,048,104.61/73,142.38
  6. Step 6: Final answer
    x = 56,411.18

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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.