Home / 75,449.64-104,129.52-45,251.58

Finding the Fourth Proportional to 75,449.64, 104,129.52 and 45,251.58

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Solution

The fourth proportional to 75,449.64, 104,129.52 and 45,251.58 is: 62,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,449.64 : 104,129.52 = 45,251.58 : x
  2. Step 2: Convert to fraction form
    75,449.64/104,129.52 = 45,251.58/x
  3. Step 3: Cross multiply
    75,449.64x = 104,129.52 × 45,251.58
  4. Step 4: Simplify right side
    75,449.64x = 4,712,025,304.64
  5. Step 5: Solve for x
    x = 4,712,025,304.64/75,449.64
  6. Step 6: Final answer
    x = 62,452.59

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1.5x scale

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.