Home / 83,401.14-115,101.79-47,596.54

Finding the Fourth Proportional to 83,401.14, 115,101.79 and 47,596.54

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Solution

The fourth proportional to 83,401.14, 115,101.79 and 47,596.54 is: 65,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,401.14 : 115,101.79 = 47,596.54 : x
  2. Step 2: Convert to fraction form
    83,401.14/115,101.79 = 47,596.54/x
  3. Step 3: Cross multiply
    83,401.14x = 115,101.79 × 47,596.54
  4. Step 4: Simplify right side
    83,401.14x = 5,478,446,951.81
  5. Step 5: Solve for x
    x = 5,478,446,951.81/83,401.14
  6. Step 6: Final answer
    x = 65,687.91

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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.