Home / 49,772.40-74,442.60-44,545.20

Finding the Fourth Proportional to 49,772.40, 74,442.60 and 44,545.20

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Solution

The fourth proportional to 49,772.40, 74,442.60 and 44,545.20 is: 66,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.40 : 74,442.60 = 44,545.20 : x
  2. Step 2: Convert to fraction form
    49,772.40/74,442.60 = 44,545.20/x
  3. Step 3: Cross multiply
    49,772.40x = 74,442.60 × 44,545.20
  4. Step 4: Simplify right side
    49,772.40x = 3,316,060,505.52
  5. Step 5: Solve for x
    x = 3,316,060,505.52/49,772.40
  6. Step 6: Final answer
    x = 66,624.48

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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.