Home / 83,264.19-124,678.90-54,711.37

Finding the Fourth Proportional to 83,264.19, 124,678.90 and 54,711.37

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Solution

The fourth proportional to 83,264.19, 124,678.90 and 54,711.37 is: 81,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,264.19 : 124,678.90 = 54,711.37 : x
  2. Step 2: Convert to fraction form
    83,264.19/124,678.90 = 54,711.37/x
  3. Step 3: Cross multiply
    83,264.19x = 124,678.90 × 54,711.37
  4. Step 4: Simplify right side
    83,264.19x = 6,821,353,345.58
  5. Step 5: Solve for x
    x = 6,821,353,345.58/83,264.19
  6. Step 6: Final answer
    x = 81,924.21

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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.