Home / 125,739.72-173,517.35-69,151.14

Finding the Fourth Proportional to 125,739.72, 173,517.35 and 69,151.14

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Solution

The fourth proportional to 125,739.72, 173,517.35 and 69,151.14 is: 95,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,739.72 : 173,517.35 = 69,151.14 : x
  2. Step 2: Convert to fraction form
    125,739.72/173,517.35 = 69,151.14/x
  3. Step 3: Cross multiply
    125,739.72x = 173,517.35 × 69,151.14
  4. Step 4: Simplify right side
    125,739.72x = 11,998,922,216.52
  5. Step 5: Solve for x
    x = 11,998,922,216.52/125,739.72
  6. Step 6: Final answer
    x = 95,426.67

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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.