Home / 108,066.80-149,132.34-60,320.12

Finding the Fourth Proportional to 108,066.80, 149,132.34 and 60,320.12

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Solution

The fourth proportional to 108,066.80, 149,132.34 and 60,320.12 is: 83,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,066.80 : 149,132.34 = 60,320.12 : x
  2. Step 2: Convert to fraction form
    108,066.80/149,132.34 = 60,320.12/x
  3. Step 3: Cross multiply
    108,066.80x = 149,132.34 × 60,320.12
  4. Step 4: Simplify right side
    108,066.80x = 8,995,680,644.68
  5. Step 5: Solve for x
    x = 8,995,680,644.68/108,066.80
  6. Step 6: Final answer
    x = 83,241.85

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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.