Home / 125,253.46-172,846.20-71,537.37

Finding the Fourth Proportional to 125,253.46, 172,846.20 and 71,537.37

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Solution

The fourth proportional to 125,253.46, 172,846.20 and 71,537.37 is: 98,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,253.46 : 172,846.20 = 71,537.37 : x
  2. Step 2: Convert to fraction form
    125,253.46/172,846.20 = 71,537.37/x
  3. Step 3: Cross multiply
    125,253.46x = 172,846.20 × 71,537.37
  4. Step 4: Simplify right side
    125,253.46x = 12,364,962,562.49
  5. Step 5: Solve for x
    x = 12,364,962,562.49/125,253.46
  6. Step 6: Final answer
    x = 98,719.53

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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.