Home / 125,562.80-173,234.40-71,107.52

Finding the Fourth Proportional to 125,562.80, 173,234.40 and 71,107.52

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Solution

The fourth proportional to 125,562.80, 173,234.40 and 71,107.52 is: 98,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,562.80 : 173,234.40 = 71,107.52 : x
  2. Step 2: Convert to fraction form
    125,562.80/173,234.40 = 71,107.52/x
  3. Step 3: Cross multiply
    125,562.80x = 173,234.40 × 71,107.52
  4. Step 4: Simplify right side
    125,562.80x = 12,318,268,562.69
  5. Step 5: Solve for x
    x = 12,318,268,562.69/125,562.80
  6. Step 6: Final answer
    x = 98,104.44

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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.