Home / 125,765.46-173,537.24-71,314.63

Finding the Fourth Proportional to 125,765.46, 173,537.24 and 71,314.63

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Solution

The fourth proportional to 125,765.46, 173,537.24 and 71,314.63 is: 98,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,765.46 : 173,537.24 = 71,314.63 : x
  2. Step 2: Convert to fraction form
    125,765.46/173,537.24 = 71,314.63/x
  3. Step 3: Cross multiply
    125,765.46x = 173,537.24 × 71,314.63
  4. Step 4: Simplify right side
    125,765.46x = 12,375,743,271.41
  5. Step 5: Solve for x
    x = 12,375,743,271.41/125,765.46
  6. Step 6: Final answer
    x = 98,403.36

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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.