Home / 108,318.89-149,484.14-60,572.12

Finding the Fourth Proportional to 108,318.89, 149,484.14 and 60,572.12

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Solution

The fourth proportional to 108,318.89, 149,484.14 and 60,572.12 is: 83,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,318.89 : 149,484.14 = 60,572.12 : x
  2. Step 2: Convert to fraction form
    108,318.89/149,484.14 = 60,572.12/x
  3. Step 3: Cross multiply
    108,318.89x = 149,484.14 × 60,572.12
  4. Step 4: Simplify right side
    108,318.89x = 9,054,570,215.90
  5. Step 5: Solve for x
    x = 9,054,570,215.90/108,318.89
  6. Step 6: Final answer
    x = 83,591.80

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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.