Home / 89,729.40-123,825.56-50,966.95

Finding the Fourth Proportional to 89,729.40, 123,825.56 and 50,966.95

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Solution

The fourth proportional to 89,729.40, 123,825.56 and 50,966.95 is: 70,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,729.40 : 123,825.56 = 50,966.95 : x
  2. Step 2: Convert to fraction form
    89,729.40/123,825.56 = 50,966.95/x
  3. Step 3: Cross multiply
    89,729.40x = 123,825.56 × 50,966.95
  4. Step 4: Simplify right side
    89,729.40x = 6,311,011,125.24
  5. Step 5: Solve for x
    x = 6,311,011,125.24/89,729.40
  6. Step 6: Final answer
    x = 70,333.82

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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.