Home / 90,734.19-125,204.63-52,487.61

Finding the Fourth Proportional to 90,734.19, 125,204.63 and 52,487.61

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Solution

The fourth proportional to 90,734.19, 125,204.63 and 52,487.61 is: 72,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.19 : 125,204.63 = 52,487.61 : x
  2. Step 2: Convert to fraction form
    90,734.19/125,204.63 = 52,487.61/x
  3. Step 3: Cross multiply
    90,734.19x = 125,204.63 × 52,487.61
  4. Step 4: Simplify right side
    90,734.19x = 6,571,691,527.20
  5. Step 5: Solve for x
    x = 6,571,691,527.20/90,734.19
  6. Step 6: Final answer
    x = 72,427.95

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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.