Home / 56,159.35-77,531.04-38,280.62

Finding the Fourth Proportional to 56,159.35, 77,531.04 and 38,280.62

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Solution

The fourth proportional to 56,159.35, 77,531.04 and 38,280.62 is: 52,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.35 : 77,531.04 = 38,280.62 : x
  2. Step 2: Convert to fraction form
    56,159.35/77,531.04 = 38,280.62/x
  3. Step 3: Cross multiply
    56,159.35x = 77,531.04 × 38,280.62
  4. Step 4: Simplify right side
    56,159.35x = 2,967,936,474.27
  5. Step 5: Solve for x
    x = 2,967,936,474.27/56,159.35
  6. Step 6: Final answer
    x = 52,848.49

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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.