Home / 111,677.33-154,120.62-63,937.86

Finding the Fourth Proportional to 111,677.33, 154,120.62 and 63,937.86

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Solution

The fourth proportional to 111,677.33, 154,120.62 and 63,937.86 is: 88,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,677.33 : 154,120.62 = 63,937.86 : x
  2. Step 2: Convert to fraction form
    111,677.33/154,120.62 = 63,937.86/x
  3. Step 3: Cross multiply
    111,677.33x = 154,120.62 × 63,937.86
  4. Step 4: Simplify right side
    111,677.33x = 9,854,142,286.49
  5. Step 5: Solve for x
    x = 9,854,142,286.49/111,677.33
  6. Step 6: Final answer
    x = 88,237.62

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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.