Home / 49,572.40-74,142.60-44,345.20

Finding the Fourth Proportional to 49,572.40, 74,142.60 and 44,345.20

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Solution

The fourth proportional to 49,572.40, 74,142.60 and 44,345.20 is: 66,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.40 : 74,142.60 = 44,345.20 : x
  2. Step 2: Convert to fraction form
    49,572.40/74,142.60 = 44,345.20/x
  3. Step 3: Cross multiply
    49,572.40x = 74,142.60 × 44,345.20
  4. Step 4: Simplify right side
    49,572.40x = 3,287,868,425.52
  5. Step 5: Solve for x
    x = 3,287,868,425.52/49,572.40
  6. Step 6: Final answer
    x = 66,324.58

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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.