Home / 89,622.23-123,677.69-49,335.11

Finding the Fourth Proportional to 89,622.23, 123,677.69 and 49,335.11

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Solution

The fourth proportional to 89,622.23, 123,677.69 and 49,335.11 is: 68,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.23 : 123,677.69 = 49,335.11 : x
  2. Step 2: Convert to fraction form
    89,622.23/123,677.69 = 49,335.11/x
  3. Step 3: Cross multiply
    89,622.23x = 123,677.69 × 49,335.11
  4. Step 4: Simplify right side
    89,622.23x = 6,101,651,575.63
  5. Step 5: Solve for x
    x = 6,101,651,575.63/89,622.23
  6. Step 6: Final answer
    x = 68,081.90

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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.