Home / 92,108.70-138,082.05-62,430.30

Finding the Fourth Proportional to 92,108.70, 138,082.05 and 62,430.30

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Solution

The fourth proportional to 92,108.70, 138,082.05 and 62,430.30 is: 93,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,108.70 : 138,082.05 = 62,430.30 : x
  2. Step 2: Convert to fraction form
    92,108.70/138,082.05 = 62,430.30/x
  3. Step 3: Cross multiply
    92,108.70x = 138,082.05 × 62,430.30
  4. Step 4: Simplify right side
    92,108.70x = 8,620,503,806.12
  5. Step 5: Solve for x
    x = 8,620,503,806.12/92,108.70
  6. Step 6: Final answer
    x = 93,590.55

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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.