Home / 89,356.47-123,315.21-49,073.95

Finding the Fourth Proportional to 89,356.47, 123,315.21 and 49,073.95

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Solution

The fourth proportional to 89,356.47, 123,315.21 and 49,073.95 is: 67,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,356.47 : 123,315.21 = 49,073.95 : x
  2. Step 2: Convert to fraction form
    89,356.47/123,315.21 = 49,073.95/x
  3. Step 3: Cross multiply
    89,356.47x = 123,315.21 × 49,073.95
  4. Step 4: Simplify right side
    89,356.47x = 6,051,564,603.92
  5. Step 5: Solve for x
    x = 6,051,564,603.92/89,356.47
  6. Step 6: Final answer
    x = 67,723.86

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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.