Home / 83,275.14-124,961.58-30,721.26

Finding the Fourth Proportional to 83,275.14, 124,961.58 and 30,721.26

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Solution

The fourth proportional to 83,275.14, 124,961.58 and 30,721.26 is: 46,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,275.14 : 124,961.58 = 30,721.26 : x
  2. Step 2: Convert to fraction form
    83,275.14/124,961.58 = 30,721.26/x
  3. Step 3: Cross multiply
    83,275.14x = 124,961.58 × 30,721.26
  4. Step 4: Simplify right side
    83,275.14x = 3,838,977,189.19
  5. Step 5: Solve for x
    x = 3,838,977,189.19/83,275.14
  6. Step 6: Final answer
    x = 46,099.92

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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.