Home / 89,029.50-122,862.25-55,037.14

Finding the Fourth Proportional to 89,029.50, 122,862.25 and 55,037.14

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Solution

The fourth proportional to 89,029.50, 122,862.25 and 55,037.14 is: 75,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,029.50 : 122,862.25 = 55,037.14 : x
  2. Step 2: Convert to fraction form
    89,029.50/122,862.25 = 55,037.14/x
  3. Step 3: Cross multiply
    89,029.50x = 122,862.25 × 55,037.14
  4. Step 4: Simplify right side
    89,029.50x = 6,761,986,853.97
  5. Step 5: Solve for x
    x = 6,761,986,853.97/89,029.50
  6. Step 6: Final answer
    x = 75,952.21

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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.