Home / 45,342.20-67,955.56-25,631.72

Finding the Fourth Proportional to 45,342.20, 67,955.56 and 25,631.72

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Solution

The fourth proportional to 45,342.20, 67,955.56 and 25,631.72 is: 38,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.20 : 67,955.56 = 25,631.72 : x
  2. Step 2: Convert to fraction form
    45,342.20/67,955.56 = 25,631.72/x
  3. Step 3: Cross multiply
    45,342.20x = 67,955.56 × 25,631.72
  4. Step 4: Simplify right side
    45,342.20x = 1,741,817,886.36
  5. Step 5: Solve for x
    x = 1,741,817,886.36/45,342.20
  6. Step 6: Final answer
    x = 38,414.94

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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.