Home / 89,433.27-123,366.51-55,840.95

Finding the Fourth Proportional to 89,433.27, 123,366.51 and 55,840.95

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Solution

The fourth proportional to 89,433.27, 123,366.51 and 55,840.95 is: 77,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,433.27 : 123,366.51 = 55,840.95 : x
  2. Step 2: Convert to fraction form
    89,433.27/123,366.51 = 55,840.95/x
  3. Step 3: Cross multiply
    89,433.27x = 123,366.51 × 55,840.95
  4. Step 4: Simplify right side
    89,433.27x = 6,888,903,116.58
  5. Step 5: Solve for x
    x = 6,888,903,116.58/89,433.27
  6. Step 6: Final answer
    x = 77,028.42

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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.