Home / 83,917.53-125,877.97-31,316.52

Finding the Fourth Proportional to 83,917.53, 125,877.97 and 31,316.52

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Solution

The fourth proportional to 83,917.53, 125,877.97 and 31,316.52 is: 46,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,917.53 : 125,877.97 = 31,316.52 : x
  2. Step 2: Convert to fraction form
    83,917.53/125,877.97 = 31,316.52/x
  3. Step 3: Cross multiply
    83,917.53x = 125,877.97 × 31,316.52
  4. Step 4: Simplify right side
    83,917.53x = 3,942,059,335.67
  5. Step 5: Solve for x
    x = 3,942,059,335.67/83,917.53
  6. Step 6: Final answer
    x = 46,975.40

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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.