Home / 88,565.22-122,215.50-50,319.78

Finding the Fourth Proportional to 88,565.22, 122,215.50 and 50,319.78

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Solution

The fourth proportional to 88,565.22, 122,215.50 and 50,319.78 is: 69,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.22 : 122,215.50 = 50,319.78 : x
  2. Step 2: Convert to fraction form
    88,565.22/122,215.50 = 50,319.78/x
  3. Step 3: Cross multiply
    88,565.22x = 122,215.50 × 50,319.78
  4. Step 4: Simplify right side
    88,565.22x = 6,149,857,072.59
  5. Step 5: Solve for x
    x = 6,149,857,072.59/88,565.22
  6. Step 6: Final answer
    x = 69,438.74

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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.