Home / 75,320.72-112,956.28-25,387.36

Finding the Fourth Proportional to 75,320.72, 112,956.28 and 25,387.36

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Solution

The fourth proportional to 75,320.72, 112,956.28 and 25,387.36 is: 38,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.72 : 112,956.28 = 25,387.36 : x
  2. Step 2: Convert to fraction form
    75,320.72/112,956.28 = 25,387.36/x
  3. Step 3: Cross multiply
    75,320.72x = 112,956.28 × 25,387.36
  4. Step 4: Simplify right side
    75,320.72x = 2,867,661,744.62
  5. Step 5: Solve for x
    x = 2,867,661,744.62/75,320.72
  6. Step 6: Final answer
    x = 38,072.68

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1.5x scale

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.