Home / 83,159.21-124,751.13-30,564.59

Finding the Fourth Proportional to 83,159.21, 124,751.13 and 30,564.59

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Solution

The fourth proportional to 83,159.21, 124,751.13 and 30,564.59 is: 45,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,159.21 : 124,751.13 = 30,564.59 : x
  2. Step 2: Convert to fraction form
    83,159.21/124,751.13 = 30,564.59/x
  3. Step 3: Cross multiply
    83,159.21x = 124,751.13 × 30,564.59
  4. Step 4: Simplify right side
    83,159.21x = 3,812,966,516.73
  5. Step 5: Solve for x
    x = 3,812,966,516.73/83,159.21
  6. Step 6: Final answer
    x = 45,851.41

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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.