Home / 49,712.78-74,569.16-40,929.24

Finding the Fourth Proportional to 49,712.78, 74,569.16 and 40,929.24

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Solution

The fourth proportional to 49,712.78, 74,569.16 and 40,929.24 is: 61,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,712.78 : 74,569.16 = 40,929.24 : x
  2. Step 2: Convert to fraction form
    49,712.78/74,569.16 = 40,929.24/x
  3. Step 3: Cross multiply
    49,712.78x = 74,569.16 × 40,929.24
  4. Step 4: Simplify right side
    49,712.78x = 3,052,059,428.20
  5. Step 5: Solve for x
    x = 3,052,059,428.20/49,712.78
  6. Step 6: Final answer
    x = 61,393.86

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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.