Home / 90,763.68-125,255.44-53,039.52

Finding the Fourth Proportional to 90,763.68, 125,255.44 and 53,039.52

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Solution

The fourth proportional to 90,763.68, 125,255.44 and 53,039.52 is: 73,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763.68 : 125,255.44 = 53,039.52 : x
  2. Step 2: Convert to fraction form
    90,763.68/125,255.44 = 53,039.52/x
  3. Step 3: Cross multiply
    90,763.68x = 125,255.44 × 53,039.52
  4. Step 4: Simplify right side
    90,763.68x = 6,643,488,414.99
  5. Step 5: Solve for x
    x = 6,643,488,414.99/90,763.68
  6. Step 6: Final answer
    x = 73,195.45

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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.