Home / 89,045.76-122,882.49-48,759.21

Finding the Fourth Proportional to 89,045.76, 122,882.49 and 48,759.21

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Solution

The fourth proportional to 89,045.76, 122,882.49 and 48,759.21 is: 67,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.76 : 122,882.49 = 48,759.21 : x
  2. Step 2: Convert to fraction form
    89,045.76/122,882.49 = 48,759.21/x
  3. Step 3: Cross multiply
    89,045.76x = 122,882.49 × 48,759.21
  4. Step 4: Simplify right side
    89,045.76x = 5,991,653,135.23
  5. Step 5: Solve for x
    x = 5,991,653,135.23/89,045.76
  6. Step 6: Final answer
    x = 67,287.35

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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.