Home / 92,285.14-137,921.95-67,377.64

Finding the Fourth Proportional to 92,285.14, 137,921.95 and 67,377.64

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Solution

The fourth proportional to 92,285.14, 137,921.95 and 67,377.64 is: 100,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,285.14 : 137,921.95 = 67,377.64 : x
  2. Step 2: Convert to fraction form
    92,285.14/137,921.95 = 67,377.64/x
  3. Step 3: Cross multiply
    92,285.14x = 137,921.95 × 67,377.64
  4. Step 4: Simplify right side
    92,285.14x = 9,292,854,981.95
  5. Step 5: Solve for x
    x = 9,292,854,981.95/92,285.14
  6. Step 6: Final answer
    x = 100,697.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.