Home / 75,512.12-104,198.33-45,298.71

Finding the Fourth Proportional to 75,512.12, 104,198.33 and 45,298.71

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Solution

The fourth proportional to 75,512.12, 104,198.33 and 45,298.71 is: 62,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.12 : 104,198.33 = 45,298.71 : x
  2. Step 2: Convert to fraction form
    75,512.12/104,198.33 = 45,298.71/x
  3. Step 3: Cross multiply
    75,512.12x = 104,198.33 × 45,298.71
  4. Step 4: Simplify right side
    75,512.12x = 4,720,050,046.40
  5. Step 5: Solve for x
    x = 4,720,050,046.40/75,512.12
  6. Step 6: Final answer
    x = 62,507.19

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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.