Home / 65,576.32-98,290.06-57,663.54

Finding the Fourth Proportional to 65,576.32, 98,290.06 and 57,663.54

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Solution

The fourth proportional to 65,576.32, 98,290.06 and 57,663.54 is: 86,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,576.32 : 98,290.06 = 57,663.54 : x
  2. Step 2: Convert to fraction form
    65,576.32/98,290.06 = 57,663.54/x
  3. Step 3: Cross multiply
    65,576.32x = 98,290.06 × 57,663.54
  4. Step 4: Simplify right side
    65,576.32x = 5,667,752,806.41
  5. Step 5: Solve for x
    x = 5,667,752,806.41/65,576.32
  6. Step 6: Final answer
    x = 86,429.87

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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.