Home / 125,766.12-173,561.86-69,181.80

Finding the Fourth Proportional to 125,766.12, 173,561.86 and 69,181.80

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Solution

The fourth proportional to 125,766.12, 173,561.86 and 69,181.80 is: 95,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,766.12 : 173,561.86 = 69,181.80 : x
  2. Step 2: Convert to fraction form
    125,766.12/173,561.86 = 69,181.80/x
  3. Step 3: Cross multiply
    125,766.12x = 173,561.86 × 69,181.80
  4. Step 4: Simplify right side
    125,766.12x = 12,007,321,886.15
  5. Step 5: Solve for x
    x = 12,007,321,886.15/125,766.12
  6. Step 6: Final answer
    x = 95,473.42

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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.