Home / 88,823.40-122,537.52-56,540.85

Finding the Fourth Proportional to 88,823.40, 122,537.52 and 56,540.85

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Solution

The fourth proportional to 88,823.40, 122,537.52 and 56,540.85 is: 78,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,823.40 : 122,537.52 = 56,540.85 : x
  2. Step 2: Convert to fraction form
    88,823.40/122,537.52 = 56,540.85/x
  3. Step 3: Cross multiply
    88,823.40x = 122,537.52 × 56,540.85
  4. Step 4: Simplify right side
    88,823.40x = 6,928,375,537.69
  5. Step 5: Solve for x
    x = 6,928,375,537.69/88,823.40
  6. Step 6: Final answer
    x = 78,001.69

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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.