Home / 83,199.93-124,821.78-29,897.28

Finding the Fourth Proportional to 83,199.93, 124,821.78 and 29,897.28

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Solution

The fourth proportional to 83,199.93, 124,821.78 and 29,897.28 is: 44,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,199.93 : 124,821.78 = 29,897.28 : x
  2. Step 2: Convert to fraction form
    83,199.93/124,821.78 = 29,897.28/x
  3. Step 3: Cross multiply
    83,199.93x = 124,821.78 × 29,897.28
  4. Step 4: Simplify right side
    83,199.93x = 3,731,831,706.76
  5. Step 5: Solve for x
    x = 3,731,831,706.76/83,199.93
  6. Step 6: Final answer
    x = 44,853.78

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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.