Home / 83,281.70-124,886.10-33,345.20

Finding the Fourth Proportional to 83,281.70, 124,886.10 and 33,345.20

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Solution

The fourth proportional to 83,281.70, 124,886.10 and 33,345.20 is: 50,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.70 : 124,886.10 = 33,345.20 : x
  2. Step 2: Convert to fraction form
    83,281.70/124,886.10 = 33,345.20/x
  3. Step 3: Cross multiply
    83,281.70x = 124,886.10 × 33,345.20
  4. Step 4: Simplify right side
    83,281.70x = 4,164,351,981.72
  5. Step 5: Solve for x
    x = 4,164,351,981.72/83,281.70
  6. Step 6: Final answer
    x = 50,003.21

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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.