Home / 83,862.34-125,793.81-31,271.06

Finding the Fourth Proportional to 83,862.34, 125,793.81 and 31,271.06

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Solution

The fourth proportional to 83,862.34, 125,793.81 and 31,271.06 is: 46,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,862.34 : 125,793.81 = 31,271.06 : x
  2. Step 2: Convert to fraction form
    83,862.34/125,793.81 = 31,271.06/x
  3. Step 3: Cross multiply
    83,862.34x = 125,793.81 × 31,271.06
  4. Step 4: Simplify right side
    83,862.34x = 3,933,706,094.62
  5. Step 5: Solve for x
    x = 3,933,706,094.62/83,862.34
  6. Step 6: Final answer
    x = 46,906.71

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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.