Home / 75,691.26-103,697.51-72,853.56

Finding the Fourth Proportional to 75,691.26, 103,697.51 and 72,853.56

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Solution

The fourth proportional to 75,691.26, 103,697.51 and 72,853.56 is: 99,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,691.26 : 103,697.51 = 72,853.56 : x
  2. Step 2: Convert to fraction form
    75,691.26/103,697.51 = 72,853.56/x
  3. Step 3: Cross multiply
    75,691.26x = 103,697.51 × 72,853.56
  4. Step 4: Simplify right side
    75,691.26x = 7,554,732,766.64
  5. Step 5: Solve for x
    x = 7,554,732,766.64/75,691.26
  6. Step 6: Final answer
    x = 99,809.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.