Home / 56,660.75-84,952.78-31,718.01

Finding the Fourth Proportional to 56,660.75, 84,952.78 and 31,718.01

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Solution

The fourth proportional to 56,660.75, 84,952.78 and 31,718.01 is: 47,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.75 : 84,952.78 = 31,718.01 : x
  2. Step 2: Convert to fraction form
    56,660.75/84,952.78 = 31,718.01/x
  3. Step 3: Cross multiply
    56,660.75x = 84,952.78 × 31,718.01
  4. Step 4: Simplify right side
    56,660.75x = 2,694,533,046.27
  5. Step 5: Solve for x
    x = 2,694,533,046.27/56,660.75
  6. Step 6: Final answer
    x = 47,555.55

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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.