Home / 88,334.55-121,902.17-52,517.57

Finding the Fourth Proportional to 88,334.55, 121,902.17 and 52,517.57

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Solution

The fourth proportional to 88,334.55, 121,902.17 and 52,517.57 is: 72,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,334.55 : 121,902.17 = 52,517.57 : x
  2. Step 2: Convert to fraction form
    88,334.55/121,902.17 = 52,517.57/x
  3. Step 3: Cross multiply
    88,334.55x = 121,902.17 × 52,517.57
  4. Step 4: Simplify right side
    88,334.55x = 6,402,004,874.03
  5. Step 5: Solve for x
    x = 6,402,004,874.03/88,334.55
  6. Step 6: Final answer
    x = 72,474.53

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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.