Home / 90,610.71-125,043.57-50,325.18

Finding the Fourth Proportional to 90,610.71, 125,043.57 and 50,325.18

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Solution

The fourth proportional to 90,610.71, 125,043.57 and 50,325.18 is: 69,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.71 : 125,043.57 = 50,325.18 : x
  2. Step 2: Convert to fraction form
    90,610.71/125,043.57 = 50,325.18/x
  3. Step 3: Cross multiply
    90,610.71x = 125,043.57 × 50,325.18
  4. Step 4: Simplify right side
    90,610.71x = 6,292,840,168.09
  5. Step 5: Solve for x
    x = 6,292,840,168.09/90,610.71
  6. Step 6: Final answer
    x = 69,449.19

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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.