Home / 90,805.60-125,311.35-50,523.22

Finding the Fourth Proportional to 90,805.60, 125,311.35 and 50,523.22

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Solution

The fourth proportional to 90,805.60, 125,311.35 and 50,523.22 is: 69,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,805.60 : 125,311.35 = 50,523.22 : x
  2. Step 2: Convert to fraction form
    90,805.60/125,311.35 = 50,523.22/x
  3. Step 3: Cross multiply
    90,805.60x = 125,311.35 × 50,523.22
  4. Step 4: Simplify right side
    90,805.60x = 6,331,132,904.55
  5. Step 5: Solve for x
    x = 6,331,132,904.55/90,805.60
  6. Step 6: Final answer
    x = 69,721.83

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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.