Home / 75,248.20-112,864.38-30,879.64

Finding the Fourth Proportional to 75,248.20, 112,864.38 and 30,879.64

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Solution

The fourth proportional to 75,248.20, 112,864.38 and 30,879.64 is: 46,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,248.20 : 112,864.38 = 30,879.64 : x
  2. Step 2: Convert to fraction form
    75,248.20/112,864.38 = 30,879.64/x
  3. Step 3: Cross multiply
    75,248.20x = 112,864.38 × 30,879.64
  4. Step 4: Simplify right side
    75,248.20x = 3,485,211,423.22
  5. Step 5: Solve for x
    x = 3,485,211,423.22/75,248.20
  6. Step 6: Final answer
    x = 46,316.21

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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.