Home / 90,840.80-125,359.38-50,553.88

Finding the Fourth Proportional to 90,840.80, 125,359.38 and 50,553.88

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Solution

The fourth proportional to 90,840.80, 125,359.38 and 50,553.88 is: 69,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.80 : 125,359.38 = 50,553.88 : x
  2. Step 2: Convert to fraction form
    90,840.80/125,359.38 = 50,553.88/x
  3. Step 3: Cross multiply
    90,840.80x = 125,359.38 × 50,553.88
  4. Step 4: Simplify right side
    90,840.80x = 6,337,402,426.60
  5. Step 5: Solve for x
    x = 6,337,402,426.60/90,840.80
  6. Step 6: Final answer
    x = 69,763.83

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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.