Home / 83,172.90-124,767.18-23,205.36

Finding the Fourth Proportional to 83,172.90, 124,767.18 and 23,205.36

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Solution

The fourth proportional to 83,172.90, 124,767.18 and 23,205.36 is: 34,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,172.90 : 124,767.18 = 23,205.36 : x
  2. Step 2: Convert to fraction form
    83,172.90/124,767.18 = 23,205.36/x
  3. Step 3: Cross multiply
    83,172.90x = 124,767.18 × 23,205.36
  4. Step 4: Simplify right side
    83,172.90x = 2,895,267,328.08
  5. Step 5: Solve for x
    x = 2,895,267,328.08/83,172.90
  6. Step 6: Final answer
    x = 34,810.22

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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.