Home / 83,278.14-124,966.08-30,724.26

Finding the Fourth Proportional to 83,278.14, 124,966.08 and 30,724.26

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Solution

The fourth proportional to 83,278.14, 124,966.08 and 30,724.26 is: 46,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,278.14 : 124,966.08 = 30,724.26 : x
  2. Step 2: Convert to fraction form
    83,278.14/124,966.08 = 30,724.26/x
  3. Step 3: Cross multiply
    83,278.14x = 124,966.08 × 30,724.26
  4. Step 4: Simplify right side
    83,278.14x = 3,839,490,333.10
  5. Step 5: Solve for x
    x = 3,839,490,333.10/83,278.14
  6. Step 6: Final answer
    x = 46,104.42

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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.