Home / 125,818.50-173,630.75-69,231.09

Finding the Fourth Proportional to 125,818.50, 173,630.75 and 69,231.09

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Solution

The fourth proportional to 125,818.50, 173,630.75 and 69,231.09 is: 95,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,818.50 : 173,630.75 = 69,231.09 : x
  2. Step 2: Convert to fraction form
    125,818.50/173,630.75 = 69,231.09/x
  3. Step 3: Cross multiply
    125,818.50x = 173,630.75 × 69,231.09
  4. Step 4: Simplify right side
    125,818.50x = 12,020,645,733.86
  5. Step 5: Solve for x
    x = 12,020,645,733.86/125,818.50
  6. Step 6: Final answer
    x = 95,539.57

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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.