Home / 88,007.40-131,983.32-28,829.88

Finding the Fourth Proportional to 88,007.40, 131,983.32 and 28,829.88

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Solution

The fourth proportional to 88,007.40, 131,983.32 and 28,829.88 is: 43,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.40 : 131,983.32 = 28,829.88 : x
  2. Step 2: Convert to fraction form
    88,007.40/131,983.32 = 28,829.88/x
  3. Step 3: Cross multiply
    88,007.40x = 131,983.32 × 28,829.88
  4. Step 4: Simplify right side
    88,007.40x = 3,805,063,277.60
  5. Step 5: Solve for x
    x = 3,805,063,277.60/88,007.40
  6. Step 6: Final answer
    x = 43,235.72

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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.