Home / 108,082.42-149,142.41-62,751.55

Finding the Fourth Proportional to 108,082.42, 149,142.41 and 62,751.55

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Solution

The fourth proportional to 108,082.42, 149,142.41 and 62,751.55 is: 86,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,082.42 : 149,142.41 = 62,751.55 : x
  2. Step 2: Convert to fraction form
    108,082.42/149,142.41 = 62,751.55/x
  3. Step 3: Cross multiply
    108,082.42x = 149,142.41 × 62,751.55
  4. Step 4: Simplify right side
    108,082.42x = 9,358,917,444.62
  5. Step 5: Solve for x
    x = 9,358,917,444.62/108,082.42
  6. Step 6: Final answer
    x = 86,590.56

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1.5x scale

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.