Home / 60,531.20-90,699.60-44,784.80

Finding the Fourth Proportional to 60,531.20, 90,699.60 and 44,784.80

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Solution

The fourth proportional to 60,531.20, 90,699.60 and 44,784.80 is: 67,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,531.20 : 90,699.60 = 44,784.80 : x
  2. Step 2: Convert to fraction form
    60,531.20/90,699.60 = 44,784.80/x
  3. Step 3: Cross multiply
    60,531.20x = 90,699.60 × 44,784.80
  4. Step 4: Simplify right side
    60,531.20x = 4,061,963,446.08
  5. Step 5: Solve for x
    x = 4,061,963,446.08/60,531.20
  6. Step 6: Final answer
    x = 67,105.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.