Home / 125,685.91-173,447.69-68,325.35

Finding the Fourth Proportional to 125,685.91, 173,447.69 and 68,325.35

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Solution

The fourth proportional to 125,685.91, 173,447.69 and 68,325.35 is: 94,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,685.91 : 173,447.69 = 68,325.35 : x
  2. Step 2: Convert to fraction form
    125,685.91/173,447.69 = 68,325.35/x
  3. Step 3: Cross multiply
    125,685.91x = 173,447.69 × 68,325.35
  4. Step 4: Simplify right side
    125,685.91x = 11,850,872,917.08
  5. Step 5: Solve for x
    x = 11,850,872,917.08/125,685.91
  6. Step 6: Final answer
    x = 94,289.59

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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.