Home / 108,081.15-149,145.78-60,337.53

Finding the Fourth Proportional to 108,081.15, 149,145.78 and 60,337.53

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Solution

The fourth proportional to 108,081.15, 149,145.78 and 60,337.53 is: 83,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,081.15 : 149,145.78 = 60,337.53 : x
  2. Step 2: Convert to fraction form
    108,081.15/149,145.78 = 60,337.53/x
  3. Step 3: Cross multiply
    108,081.15x = 149,145.78 × 60,337.53
  4. Step 4: Simplify right side
    108,081.15x = 8,999,087,975.12
  5. Step 5: Solve for x
    x = 8,999,087,975.12/108,081.15
  6. Step 6: Final answer
    x = 83,262.33

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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.