Home / 83,231.81-124,860.14-30,637.29

Finding the Fourth Proportional to 83,231.81, 124,860.14 and 30,637.29

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Solution

The fourth proportional to 83,231.81, 124,860.14 and 30,637.29 is: 45,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231.81 : 124,860.14 = 30,637.29 : x
  2. Step 2: Convert to fraction form
    83,231.81/124,860.14 = 30,637.29/x
  3. Step 3: Cross multiply
    83,231.81x = 124,860.14 × 30,637.29
  4. Step 4: Simplify right side
    83,231.81x = 3,825,376,395.21
  5. Step 5: Solve for x
    x = 3,825,376,395.21/83,231.81
  6. Step 6: Final answer
    x = 45,960.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.