Home / 90,524.48-124,920.08-50,239.92

Finding the Fourth Proportional to 90,524.48, 124,920.08 and 50,239.92

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Solution

The fourth proportional to 90,524.48, 124,920.08 and 50,239.92 is: 69,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,524.48 : 124,920.08 = 50,239.92 : x
  2. Step 2: Convert to fraction form
    90,524.48/124,920.08 = 50,239.92/x
  3. Step 3: Cross multiply
    90,524.48x = 124,920.08 × 50,239.92
  4. Step 4: Simplify right side
    90,524.48x = 6,275,974,825.59
  5. Step 5: Solve for x
    x = 6,275,974,825.59/90,524.48
  6. Step 6: Final answer
    x = 69,329.03

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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.