Home / 90,218.25-124,501.19-52,517.61

Finding the Fourth Proportional to 90,218.25, 124,501.19 and 52,517.61

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Solution

The fourth proportional to 90,218.25, 124,501.19 and 52,517.61 is: 72,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,218.25 : 124,501.19 = 52,517.61 : x
  2. Step 2: Convert to fraction form
    90,218.25/124,501.19 = 52,517.61/x
  3. Step 3: Cross multiply
    90,218.25x = 124,501.19 × 52,517.61
  4. Step 4: Simplify right side
    90,218.25x = 6,538,504,678.37
  5. Step 5: Solve for x
    x = 6,538,504,678.37/90,218.25
  6. Step 6: Final answer
    x = 72,474.30

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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.