Home / 94,343.70-130,192.18-54,081.20

Finding the Fourth Proportional to 94,343.70, 130,192.18 and 54,081.20

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Solution

The fourth proportional to 94,343.70, 130,192.18 and 54,081.20 is: 74,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,343.70 : 130,192.18 = 54,081.20 : x
  2. Step 2: Convert to fraction form
    94,343.70/130,192.18 = 54,081.20/x
  3. Step 3: Cross multiply
    94,343.70x = 130,192.18 × 54,081.20
  4. Step 4: Simplify right side
    94,343.70x = 7,040,949,325.02
  5. Step 5: Solve for x
    x = 7,040,949,325.02/94,343.70
  6. Step 6: Final answer
    x = 74,630.84

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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.