Home / 63,929.88-88,197.24-42,429.72

Finding the Fourth Proportional to 63,929.88, 88,197.24 and 42,429.72

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Solution

The fourth proportional to 63,929.88, 88,197.24 and 42,429.72 is: 58,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929.88 : 88,197.24 = 42,429.72 : x
  2. Step 2: Convert to fraction form
    63,929.88/88,197.24 = 42,429.72/x
  3. Step 3: Cross multiply
    63,929.88x = 88,197.24 × 42,429.72
  4. Step 4: Simplify right side
    63,929.88x = 3,742,184,197.97
  5. Step 5: Solve for x
    x = 3,742,184,197.97/63,929.88
  6. Step 6: Final answer
    x = 58,535.76

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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.