Home / 90,224.73-124,514.57-51,990.27

Finding the Fourth Proportional to 90,224.73, 124,514.57 and 51,990.27

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Solution

The fourth proportional to 90,224.73, 124,514.57 and 51,990.27 is: 71,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.73 : 124,514.57 = 51,990.27 : x
  2. Step 2: Convert to fraction form
    90,224.73/124,514.57 = 51,990.27/x
  3. Step 3: Cross multiply
    90,224.73x = 124,514.57 × 51,990.27
  4. Step 4: Simplify right side
    90,224.73x = 6,473,545,853.28
  5. Step 5: Solve for x
    x = 6,473,545,853.28/90,224.73
  6. Step 6: Final answer
    x = 71,749.13

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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.