Home / 89,710.11-123,799.38-49,422.95

Finding the Fourth Proportional to 89,710.11, 123,799.38 and 49,422.95

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Solution

The fourth proportional to 89,710.11, 123,799.38 and 49,422.95 is: 68,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,710.11 : 123,799.38 = 49,422.95 : x
  2. Step 2: Convert to fraction form
    89,710.11/123,799.38 = 49,422.95/x
  3. Step 3: Cross multiply
    89,710.11x = 123,799.38 × 49,422.95
  4. Step 4: Simplify right side
    89,710.11x = 6,118,529,948.77
  5. Step 5: Solve for x
    x = 6,118,529,948.77/89,710.11
  6. Step 6: Final answer
    x = 68,203.35

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1.5x scale

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.