Home / 83,814.32-115,658.60-47,996.12

Finding the Fourth Proportional to 83,814.32, 115,658.60 and 47,996.12

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Solution

The fourth proportional to 83,814.32, 115,658.60 and 47,996.12 is: 66,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,814.32 : 115,658.60 = 47,996.12 : x
  2. Step 2: Convert to fraction form
    83,814.32/115,658.60 = 47,996.12/x
  3. Step 3: Cross multiply
    83,814.32x = 115,658.60 × 47,996.12
  4. Step 4: Simplify right side
    83,814.32x = 5,551,164,044.63
  5. Step 5: Solve for x
    x = 5,551,164,044.63/83,814.32
  6. Step 6: Final answer
    x = 66,231.69

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1.5x scale

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.