Home / 112,890.04-155,787.78-62,589.04

Finding the Fourth Proportional to 112,890.04, 155,787.78 and 62,589.04

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Solution

The fourth proportional to 112,890.04, 155,787.78 and 62,589.04 is: 86,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,890.04 : 155,787.78 = 62,589.04 : x
  2. Step 2: Convert to fraction form
    112,890.04/155,787.78 = 62,589.04/x
  3. Step 3: Cross multiply
    112,890.04x = 155,787.78 × 62,589.04
  4. Step 4: Simplify right side
    112,890.04x = 9,750,607,593.93
  5. Step 5: Solve for x
    x = 9,750,607,593.93/112,890.04
  6. Step 6: Final answer
    x = 86,372.61

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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.