Home / 69,387.30-95,756.78-42,524.61

Finding the Fourth Proportional to 69,387.30, 95,756.78 and 42,524.61

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Solution

The fourth proportional to 69,387.30, 95,756.78 and 42,524.61 is: 58,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.30 : 95,756.78 = 42,524.61 : x
  2. Step 2: Convert to fraction form
    69,387.30/95,756.78 = 42,524.61/x
  3. Step 3: Cross multiply
    69,387.30x = 95,756.78 × 42,524.61
  4. Step 4: Simplify right side
    69,387.30x = 4,072,020,010.21
  5. Step 5: Solve for x
    x = 4,072,020,010.21/69,387.30
  6. Step 6: Final answer
    x = 58,685.38

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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.