Home / 90,016.29-124,218.68-51,772.95

Finding the Fourth Proportional to 90,016.29, 124,218.68 and 51,772.95

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Solution

The fourth proportional to 90,016.29, 124,218.68 and 51,772.95 is: 71,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.29 : 124,218.68 = 51,772.95 : x
  2. Step 2: Convert to fraction form
    90,016.29/124,218.68 = 51,772.95/x
  3. Step 3: Cross multiply
    90,016.29x = 124,218.68 × 51,772.95
  4. Step 4: Simplify right side
    90,016.29x = 6,431,167,249.84
  5. Step 5: Solve for x
    x = 6,431,167,249.84/90,016.29
  6. Step 6: Final answer
    x = 71,444.48

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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.