Home / 90,658.62-136,002.51-38,083.14

Finding the Fourth Proportional to 90,658.62, 136,002.51 and 38,083.14

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Solution

The fourth proportional to 90,658.62, 136,002.51 and 38,083.14 is: 57,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,658.62 : 136,002.51 = 38,083.14 : x
  2. Step 2: Convert to fraction form
    90,658.62/136,002.51 = 38,083.14/x
  3. Step 3: Cross multiply
    90,658.62x = 136,002.51 × 38,083.14
  4. Step 4: Simplify right side
    90,658.62x = 5,179,402,628.68
  5. Step 5: Solve for x
    x = 5,179,402,628.68/90,658.62
  6. Step 6: Final answer
    x = 57,130.83

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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.