Home / 57,576.67-86,356.81-18,132.76

Finding the Fourth Proportional to 57,576.67, 86,356.81 and 18,132.76

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Solution

The fourth proportional to 57,576.67, 86,356.81 and 18,132.76 is: 27,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576.67 : 86,356.81 = 18,132.76 : x
  2. Step 2: Convert to fraction form
    57,576.67/86,356.81 = 18,132.76/x
  3. Step 3: Cross multiply
    57,576.67x = 86,356.81 × 18,132.76
  4. Step 4: Simplify right side
    57,576.67x = 1,565,887,389.71
  5. Step 5: Solve for x
    x = 1,565,887,389.71/57,576.67
  6. Step 6: Final answer
    x = 27,196.56

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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.