Home / 75,320.32-112,842.78-35,265.82

Finding the Fourth Proportional to 75,320.32, 112,842.78 and 35,265.82

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Solution

The fourth proportional to 75,320.32, 112,842.78 and 35,265.82 is: 52,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.32 : 112,842.78 = 35,265.82 : x
  2. Step 2: Convert to fraction form
    75,320.32/112,842.78 = 35,265.82/x
  3. Step 3: Cross multiply
    75,320.32x = 112,842.78 × 35,265.82
  4. Step 4: Simplify right side
    75,320.32x = 3,979,493,167.78
  5. Step 5: Solve for x
    x = 3,979,493,167.78/75,320.32
  6. Step 6: Final answer
    x = 52,834.26

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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.