Home / 129,941.05-194,924.33-54,023.91

Finding the Fourth Proportional to 129,941.05, 194,924.33 and 54,023.91

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Solution

The fourth proportional to 129,941.05, 194,924.33 and 54,023.91 is: 81,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,941.05 : 194,924.33 = 54,023.91 : x
  2. Step 2: Convert to fraction form
    129,941.05/194,924.33 = 54,023.91/x
  3. Step 3: Cross multiply
    129,941.05x = 194,924.33 × 54,023.91
  4. Step 4: Simplify right side
    129,941.05x = 10,530,574,460.73
  5. Step 5: Solve for x
    x = 10,530,574,460.73/129,941.05
  6. Step 6: Final answer
    x = 81,041.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.