Home / 94,343.70-130,192.20-54,081.21

Finding the Fourth Proportional to 94,343.70, 130,192.20 and 54,081.21

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Solution

The fourth proportional to 94,343.70, 130,192.20 and 54,081.21 is: 74,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,343.70 : 130,192.20 = 54,081.21 : x
  2. Step 2: Convert to fraction form
    94,343.70/130,192.20 = 54,081.21/x
  3. Step 3: Cross multiply
    94,343.70x = 130,192.20 × 54,081.21
  4. Step 4: Simplify right side
    94,343.70x = 7,040,951,708.56
  5. Step 5: Solve for x
    x = 7,040,951,708.56/94,343.70
  6. Step 6: Final answer
    x = 74,630.86

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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.