Home / 63,727.14-87,947.75-42,179.76

Finding the Fourth Proportional to 63,727.14, 87,947.75 and 42,179.76

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Solution

The fourth proportional to 63,727.14, 87,947.75 and 42,179.76 is: 58,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,727.14 : 87,947.75 = 42,179.76 : x
  2. Step 2: Convert to fraction form
    63,727.14/87,947.75 = 42,179.76/x
  3. Step 3: Cross multiply
    63,727.14x = 87,947.75 × 42,179.76
  4. Step 4: Simplify right side
    63,727.14x = 3,709,614,987.54
  5. Step 5: Solve for x
    x = 3,709,614,987.54/63,727.14
  6. Step 6: Final answer
    x = 58,210.91

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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.