Home / 56,128.68-77,470.87-32,269.21

Finding the Fourth Proportional to 56,128.68, 77,470.87 and 32,269.21

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Solution

The fourth proportional to 56,128.68, 77,470.87 and 32,269.21 is: 44,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.68 : 77,470.87 = 32,269.21 : x
  2. Step 2: Convert to fraction form
    56,128.68/77,470.87 = 32,269.21/x
  3. Step 3: Cross multiply
    56,128.68x = 77,470.87 × 32,269.21
  4. Step 4: Simplify right side
    56,128.68x = 2,499,923,772.91
  5. Step 5: Solve for x
    x = 2,499,923,772.91/56,128.68
  6. Step 6: Final answer
    x = 44,539.15

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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.