Home / 83,260.35-114,890.40-49,270.59

Finding the Fourth Proportional to 83,260.35, 114,890.40 and 49,270.59

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Solution

The fourth proportional to 83,260.35, 114,890.40 and 49,270.59 is: 67,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,260.35 : 114,890.40 = 49,270.59 : x
  2. Step 2: Convert to fraction form
    83,260.35/114,890.40 = 49,270.59/x
  3. Step 3: Cross multiply
    83,260.35x = 114,890.40 × 49,270.59
  4. Step 4: Simplify right side
    83,260.35x = 5,660,717,793.34
  5. Step 5: Solve for x
    x = 5,660,717,793.34/83,260.35
  6. Step 6: Final answer
    x = 67,988.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.