Home / 125,434.72-173,099.91-68,849.74

Finding the Fourth Proportional to 125,434.72, 173,099.91 and 68,849.74

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Solution

The fourth proportional to 125,434.72, 173,099.91 and 68,849.74 is: 95,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,434.72 : 173,099.91 = 68,849.74 : x
  2. Step 2: Convert to fraction form
    125,434.72/173,099.91 = 68,849.74/x
  3. Step 3: Cross multiply
    125,434.72x = 173,099.91 × 68,849.74
  4. Step 4: Simplify right side
    125,434.72x = 11,917,883,797.52
  5. Step 5: Solve for x
    x = 11,917,883,797.52/125,434.72
  6. Step 6: Final answer
    x = 95,012.64

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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.