Home / 90,592.43-125,020.77-50,306.87

Finding the Fourth Proportional to 90,592.43, 125,020.77 and 50,306.87

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Solution

The fourth proportional to 90,592.43, 125,020.77 and 50,306.87 is: 69,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.43 : 125,020.77 = 50,306.87 : x
  2. Step 2: Convert to fraction form
    90,592.43/125,020.77 = 50,306.87/x
  3. Step 3: Cross multiply
    90,592.43x = 125,020.77 × 50,306.87
  4. Step 4: Simplify right side
    90,592.43x = 6,289,403,747.59
  5. Step 5: Solve for x
    x = 6,289,403,747.59/90,592.43
  6. Step 6: Final answer
    x = 69,425.27

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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.