Home / 90,806.60-125,312.73-50,524.22

Finding the Fourth Proportional to 90,806.60, 125,312.73 and 50,524.22

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Solution

The fourth proportional to 90,806.60, 125,312.73 and 50,524.22 is: 69,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,806.60 : 125,312.73 = 50,524.22 : x
  2. Step 2: Convert to fraction form
    90,806.60/125,312.73 = 50,524.22/x
  3. Step 3: Cross multiply
    90,806.60x = 125,312.73 × 50,524.22
  4. Step 4: Simplify right side
    90,806.60x = 6,331,327,939.32
  5. Step 5: Solve for x
    x = 6,331,327,939.32/90,806.60
  6. Step 6: Final answer
    x = 69,723.21

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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.