Home / 56,680.40-84,947.70-34,470.20

Finding the Fourth Proportional to 56,680.40, 84,947.70 and 34,470.20

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Solution

The fourth proportional to 56,680.40, 84,947.70 and 34,470.20 is: 51,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.40 : 84,947.70 = 34,470.20 : x
  2. Step 2: Convert to fraction form
    56,680.40/84,947.70 = 34,470.20/x
  3. Step 3: Cross multiply
    56,680.40x = 84,947.70 × 34,470.20
  4. Step 4: Simplify right side
    56,680.40x = 2,928,164,208.54
  5. Step 5: Solve for x
    x = 2,928,164,208.54/56,680.40
  6. Step 6: Final answer
    x = 51,660.97

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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.