Home / 117,470.06-162,108.61-66,481.87

Finding the Fourth Proportional to 117,470.06, 162,108.61 and 66,481.87

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Solution

The fourth proportional to 117,470.06, 162,108.61 and 66,481.87 is: 91,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,470.06 : 162,108.61 = 66,481.87 : x
  2. Step 2: Convert to fraction form
    117,470.06/162,108.61 = 66,481.87/x
  3. Step 3: Cross multiply
    117,470.06x = 162,108.61 × 66,481.87
  4. Step 4: Simplify right side
    117,470.06x = 10,777,282,392.95
  5. Step 5: Solve for x
    x = 10,777,282,392.95/117,470.06
  6. Step 6: Final answer
    x = 91,744.93

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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.