Home / 63,139.32-87,129.51-34,458.25

Finding the Fourth Proportional to 63,139.32, 87,129.51 and 34,458.25

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Solution

The fourth proportional to 63,139.32, 87,129.51 and 34,458.25 is: 47,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139.32 : 87,129.51 = 34,458.25 : x
  2. Step 2: Convert to fraction form
    63,139.32/87,129.51 = 34,458.25/x
  3. Step 3: Cross multiply
    63,139.32x = 87,129.51 × 34,458.25
  4. Step 4: Simplify right side
    63,139.32x = 3,002,330,437.96
  5. Step 5: Solve for x
    x = 3,002,330,437.96/63,139.32
  6. Step 6: Final answer
    x = 47,550.88

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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.