Home / 92,002.10-137,657.55-83,707.70

Finding the Fourth Proportional to 92,002.10, 137,657.55 and 83,707.70

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Solution

The fourth proportional to 92,002.10, 137,657.55 and 83,707.70 is: 125,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,002.10 : 137,657.55 = 83,707.70 : x
  2. Step 2: Convert to fraction form
    92,002.10/137,657.55 = 83,707.70/x
  3. Step 3: Cross multiply
    92,002.10x = 137,657.55 × 83,707.70
  4. Step 4: Simplify right side
    92,002.10x = 11,522,996,898.14
  5. Step 5: Solve for x
    x = 11,522,996,898.14/92,002.10
  6. Step 6: Final answer
    x = 125,247.11

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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.