Home / 89,932.35-124,107.08-49,645.38

Finding the Fourth Proportional to 89,932.35, 124,107.08 and 49,645.38

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Solution

The fourth proportional to 89,932.35, 124,107.08 and 49,645.38 is: 68,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932.35 : 124,107.08 = 49,645.38 : x
  2. Step 2: Convert to fraction form
    89,932.35/124,107.08 = 49,645.38/x
  3. Step 3: Cross multiply
    89,932.35x = 124,107.08 × 49,645.38
  4. Step 4: Simplify right side
    89,932.35x = 6,161,342,899.06
  5. Step 5: Solve for x
    x = 6,161,342,899.06/89,932.35
  6. Step 6: Final answer
    x = 68,510.86

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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.