Home / 113,433.26-170,254.91-57,312.87

Finding the Fourth Proportional to 113,433.26, 170,254.91 and 57,312.87

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Solution

The fourth proportional to 113,433.26, 170,254.91 and 57,312.87 is: 86,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,433.26 : 170,254.91 = 57,312.87 : x
  2. Step 2: Convert to fraction form
    113,433.26/170,254.91 = 57,312.87/x
  3. Step 3: Cross multiply
    113,433.26x = 170,254.91 × 57,312.87
  4. Step 4: Simplify right side
    113,433.26x = 9,757,797,028.52
  5. Step 5: Solve for x
    x = 9,757,797,028.52/113,433.26
  6. Step 6: Final answer
    x = 86,022.36

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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.