Home / 71,629.68-98,849.25-39,799.92

Finding the Fourth Proportional to 71,629.68, 98,849.25 and 39,799.92

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Solution

The fourth proportional to 71,629.68, 98,849.25 and 39,799.92 is: 54,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.68 : 98,849.25 = 39,799.92 : x
  2. Step 2: Convert to fraction form
    71,629.68/98,849.25 = 39,799.92/x
  3. Step 3: Cross multiply
    71,629.68x = 98,849.25 × 39,799.92
  4. Step 4: Simplify right side
    71,629.68x = 3,934,192,242.06
  5. Step 5: Solve for x
    x = 3,934,192,242.06/71,629.68
  6. Step 6: Final answer
    x = 54,924.05

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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.