Home / 79,098.16-109,144.92-45,557.68

Finding the Fourth Proportional to 79,098.16, 109,144.92 and 45,557.68

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Solution

The fourth proportional to 79,098.16, 109,144.92 and 45,557.68 is: 62,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.16 : 109,144.92 = 45,557.68 : x
  2. Step 2: Convert to fraction form
    79,098.16/109,144.92 = 45,557.68/x
  3. Step 3: Cross multiply
    79,098.16x = 109,144.92 × 45,557.68
  4. Step 4: Simplify right side
    79,098.16x = 4,972,389,338.99
  5. Step 5: Solve for x
    x = 4,972,389,338.99/79,098.16
  6. Step 6: Final answer
    x = 62,863.53

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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.