Home / 112,876.58-155,769.90-62,575.58

Finding the Fourth Proportional to 112,876.58, 155,769.90 and 62,575.58

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Solution

The fourth proportional to 112,876.58, 155,769.90 and 62,575.58 is: 86,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,876.58 : 155,769.90 = 62,575.58 : x
  2. Step 2: Convert to fraction form
    112,876.58/155,769.90 = 62,575.58/x
  3. Step 3: Cross multiply
    112,876.58x = 155,769.90 × 62,575.58
  4. Step 4: Simplify right side
    112,876.58x = 9,747,391,839.04
  5. Step 5: Solve for x
    x = 9,747,391,839.04/112,876.58
  6. Step 6: Final answer
    x = 86,354.42

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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.