Home / 108,049.62-149,115.96-60,312.30

Finding the Fourth Proportional to 108,049.62, 149,115.96 and 60,312.30

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Solution

The fourth proportional to 108,049.62, 149,115.96 and 60,312.30 is: 83,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,049.62 : 149,115.96 = 60,312.30 : x
  2. Step 2: Convert to fraction form
    108,049.62/149,115.96 = 60,312.30/x
  3. Step 3: Cross multiply
    108,049.62x = 149,115.96 × 60,312.30
  4. Step 4: Simplify right side
    108,049.62x = 8,993,526,514.31
  5. Step 5: Solve for x
    x = 8,993,526,514.31/108,049.62
  6. Step 6: Final answer
    x = 83,235.15

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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.