Home / 83,316.96-124,949.28-27,900

Finding the Fourth Proportional to 83,316.96, 124,949.28 and 27,900

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Solution

The fourth proportional to 83,316.96, 124,949.28 and 27,900 is: 41,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,316.96 : 124,949.28 = 27,900 : x
  2. Step 2: Convert to fraction form
    83,316.96/124,949.28 = 27,900/x
  3. Step 3: Cross multiply
    83,316.96x = 124,949.28 × 27,900
  4. Step 4: Simplify right side
    83,316.96x = 3,486,084,912
  5. Step 5: Solve for x
    x = 3,486,084,912/83,316.96
  6. Step 6: Final answer
    x = 41,841.24

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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.