Home / 89,974.14-124,158.87-54,175.74

Finding the Fourth Proportional to 89,974.14, 124,158.87 and 54,175.74

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Solution

The fourth proportional to 89,974.14, 124,158.87 and 54,175.74 is: 74,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.14 : 124,158.87 = 54,175.74 : x
  2. Step 2: Convert to fraction form
    89,974.14/124,158.87 = 54,175.74/x
  3. Step 3: Cross multiply
    89,974.14x = 124,158.87 × 54,175.74
  4. Step 4: Simplify right side
    89,974.14x = 6,726,398,659.81
  5. Step 5: Solve for x
    x = 6,726,398,659.81/89,974.14
  6. Step 6: Final answer
    x = 74,759.24

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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.