Home / 57,576.95-86,368.52-18,137.15

Finding the Fourth Proportional to 57,576.95, 86,368.52 and 18,137.15

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Solution

The fourth proportional to 57,576.95, 86,368.52 and 18,137.15 is: 27,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576.95 : 86,368.52 = 18,137.15 : x
  2. Step 2: Convert to fraction form
    57,576.95/86,368.52 = 18,137.15/x
  3. Step 3: Cross multiply
    57,576.95x = 86,368.52 × 18,137.15
  4. Step 4: Simplify right side
    57,576.95x = 1,566,479,063.78
  5. Step 5: Solve for x
    x = 1,566,479,063.78/57,576.95
  6. Step 6: Final answer
    x = 27,206.70

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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.