Home / 52,679.68-72,700.25-29,717.21

Finding the Fourth Proportional to 52,679.68, 72,700.25 and 29,717.21

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Solution

The fourth proportional to 52,679.68, 72,700.25 and 29,717.21 is: 41,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.68 : 72,700.25 = 29,717.21 : x
  2. Step 2: Convert to fraction form
    52,679.68/72,700.25 = 29,717.21/x
  3. Step 3: Cross multiply
    52,679.68x = 72,700.25 × 29,717.21
  4. Step 4: Simplify right side
    52,679.68x = 2,160,448,629.47
  5. Step 5: Solve for x
    x = 2,160,448,629.47/52,679.68
  6. Step 6: Final answer
    x = 41,011.05

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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.