Home / 88,981.32-122,740.84-58,766.70

Finding the Fourth Proportional to 88,981.32, 122,740.84 and 58,766.70

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Solution

The fourth proportional to 88,981.32, 122,740.84 and 58,766.70 is: 81,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.32 : 122,740.84 = 58,766.70 : x
  2. Step 2: Convert to fraction form
    88,981.32/122,740.84 = 58,766.70/x
  3. Step 3: Cross multiply
    88,981.32x = 122,740.84 × 58,766.70
  4. Step 4: Simplify right side
    88,981.32x = 7,213,074,122.03
  5. Step 5: Solve for x
    x = 7,213,074,122.03/88,981.32
  6. Step 6: Final answer
    x = 81,062.79

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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.