Home / 83,659.74-115,504.47-51,862.62

Finding the Fourth Proportional to 83,659.74, 115,504.47 and 51,862.62

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Solution

The fourth proportional to 83,659.74, 115,504.47 and 51,862.62 is: 71,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,659.74 : 115,504.47 = 51,862.62 : x
  2. Step 2: Convert to fraction form
    83,659.74/115,504.47 = 51,862.62/x
  3. Step 3: Cross multiply
    83,659.74x = 115,504.47 × 51,862.62
  4. Step 4: Simplify right side
    83,659.74x = 5,990,364,435.91
  5. Step 5: Solve for x
    x = 5,990,364,435.91/83,659.74
  6. Step 6: Final answer
    x = 71,603.91

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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.