Home / 88,310.32-121,825.37-52,474.95

Finding the Fourth Proportional to 88,310.32, 121,825.37 and 52,474.95

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Solution

The fourth proportional to 88,310.32, 121,825.37 and 52,474.95 is: 72,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,310.32 : 121,825.37 = 52,474.95 : x
  2. Step 2: Convert to fraction form
    88,310.32/121,825.37 = 52,474.95/x
  3. Step 3: Cross multiply
    88,310.32x = 121,825.37 × 52,474.95
  4. Step 4: Simplify right side
    88,310.32x = 6,392,780,330.67
  5. Step 5: Solve for x
    x = 6,392,780,330.67/88,310.32
  6. Step 6: Final answer
    x = 72,389.96

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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.