Home / 69,351.28-95,688.12-42,126.82

Finding the Fourth Proportional to 69,351.28, 95,688.12 and 42,126.82

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Solution

The fourth proportional to 69,351.28, 95,688.12 and 42,126.82 is: 58,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,351.28 : 95,688.12 = 42,126.82 : x
  2. Step 2: Convert to fraction form
    69,351.28/95,688.12 = 42,126.82/x
  3. Step 3: Cross multiply
    69,351.28x = 95,688.12 × 42,126.82
  4. Step 4: Simplify right side
    69,351.28x = 4,031,036,207.38
  5. Step 5: Solve for x
    x = 4,031,036,207.38/69,351.28
  6. Step 6: Final answer
    x = 58,124.90

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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.