Home / 125,576.17-173,296.95-68,216.57

Finding the Fourth Proportional to 125,576.17, 173,296.95 and 68,216.57

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Solution

The fourth proportional to 125,576.17, 173,296.95 and 68,216.57 is: 94,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,576.17 : 173,296.95 = 68,216.57 : x
  2. Step 2: Convert to fraction form
    125,576.17/173,296.95 = 68,216.57/x
  3. Step 3: Cross multiply
    125,576.17x = 173,296.95 × 68,216.57
  4. Step 4: Simplify right side
    125,576.17x = 11,821,723,520.46
  5. Step 5: Solve for x
    x = 11,821,723,520.46/125,576.17
  6. Step 6: Final answer
    x = 94,139.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.