Home / 90,713.00-136,022.85-40,750.25

Finding the Fourth Proportional to 90,713.00, 136,022.85 and 40,750.25

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Solution

The fourth proportional to 90,713.00, 136,022.85 and 40,750.25 is: 61,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,713.00 : 136,022.85 = 40,750.25 : x
  2. Step 2: Convert to fraction form
    90,713.00/136,022.85 = 40,750.25/x
  3. Step 3: Cross multiply
    90,713.00x = 136,022.85 × 40,750.25
  4. Step 4: Simplify right side
    90,713.00x = 5,542,964,463.10
  5. Step 5: Solve for x
    x = 5,542,964,463.10/90,713.00
  6. Step 6: Final answer
    x = 61,104.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.