Home / 108,101.20-149,169.82-60,345.76

Finding the Fourth Proportional to 108,101.20, 149,169.82 and 60,345.76

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Solution

The fourth proportional to 108,101.20, 149,169.82 and 60,345.76 is: 83,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,101.20 : 149,169.82 = 60,345.76 : x
  2. Step 2: Convert to fraction form
    108,101.20/149,169.82 = 60,345.76/x
  3. Step 3: Cross multiply
    108,101.20x = 149,169.82 × 60,345.76
  4. Step 4: Simplify right side
    108,101.20x = 9,001,766,156.96
  5. Step 5: Solve for x
    x = 9,001,766,156.96/108,101.20
  6. Step 6: Final answer
    x = 83,271.66

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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.