Home / 74,334.98-111,397.68-57,616.72

Finding the Fourth Proportional to 74,334.98, 111,397.68 and 57,616.72

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Solution

The fourth proportional to 74,334.98, 111,397.68 and 57,616.72 is: 86,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.98 : 111,397.68 = 57,616.72 : x
  2. Step 2: Convert to fraction form
    74,334.98/111,397.68 = 57,616.72/x
  3. Step 3: Cross multiply
    74,334.98x = 111,397.68 × 57,616.72
  4. Step 4: Simplify right side
    74,334.98x = 6,418,368,658.72
  5. Step 5: Solve for x
    x = 6,418,368,658.72/74,334.98
  6. Step 6: Final answer
    x = 86,343.85

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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.