Home / 67,988.15-101,869.38-41,637.53

Finding the Fourth Proportional to 67,988.15, 101,869.38 and 41,637.53

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Solution

The fourth proportional to 67,988.15, 101,869.38 and 41,637.53 is: 62,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,988.15 : 101,869.38 = 41,637.53 : x
  2. Step 2: Convert to fraction form
    67,988.15/101,869.38 = 41,637.53/x
  3. Step 3: Cross multiply
    67,988.15x = 101,869.38 × 41,637.53
  4. Step 4: Simplify right side
    67,988.15x = 4,241,589,365.83
  5. Step 5: Solve for x
    x = 4,241,589,365.83/67,988.15
  6. Step 6: Final answer
    x = 62,387.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.