Home / 74,787.53-102,996.83-73,154.57

Finding the Fourth Proportional to 74,787.53, 102,996.83 and 73,154.57

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Solution

The fourth proportional to 74,787.53, 102,996.83 and 73,154.57 is: 100,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.53 : 102,996.83 = 73,154.57 : x
  2. Step 2: Convert to fraction form
    74,787.53/102,996.83 = 73,154.57/x
  3. Step 3: Cross multiply
    74,787.53x = 102,996.83 × 73,154.57
  4. Step 4: Simplify right side
    74,787.53x = 7,534,687,929.26
  5. Step 5: Solve for x
    x = 7,534,687,929.26/74,787.53
  6. Step 6: Final answer
    x = 100,747.92

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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.