Home / 89,314.07-123,246.65-49,021.43

Finding the Fourth Proportional to 89,314.07, 123,246.65 and 49,021.43

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Solution

The fourth proportional to 89,314.07, 123,246.65 and 49,021.43 is: 67,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314.07 : 123,246.65 = 49,021.43 : x
  2. Step 2: Convert to fraction form
    89,314.07/123,246.65 = 49,021.43/x
  3. Step 3: Cross multiply
    89,314.07x = 123,246.65 × 49,021.43
  4. Step 4: Simplify right side
    89,314.07x = 6,041,726,780.60
  5. Step 5: Solve for x
    x = 6,041,726,780.60/89,314.07
  6. Step 6: Final answer
    x = 67,645.86

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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.