Home / 125,674.47-173,438.62-71,958.11

Finding the Fourth Proportional to 125,674.47, 173,438.62 and 71,958.11

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Solution

The fourth proportional to 125,674.47, 173,438.62 and 71,958.11 is: 99,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,674.47 : 173,438.62 = 71,958.11 : x
  2. Step 2: Convert to fraction form
    125,674.47/173,438.62 = 71,958.11/x
  3. Step 3: Cross multiply
    125,674.47x = 173,438.62 × 71,958.11
  4. Step 4: Simplify right side
    125,674.47x = 12,480,314,249.12
  5. Step 5: Solve for x
    x = 12,480,314,249.12/125,674.47
  6. Step 6: Final answer
    x = 99,306.68

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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.