Home / 78,500.06-108,255.66-60,566.66

Finding the Fourth Proportional to 78,500.06, 108,255.66 and 60,566.66

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Solution

The fourth proportional to 78,500.06, 108,255.66 and 60,566.66 is: 83,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,500.06 : 108,255.66 = 60,566.66 : x
  2. Step 2: Convert to fraction form
    78,500.06/108,255.66 = 60,566.66/x
  3. Step 3: Cross multiply
    78,500.06x = 108,255.66 × 60,566.66
  4. Step 4: Simplify right side
    78,500.06x = 6,556,683,752.30
  5. Step 5: Solve for x
    x = 6,556,683,752.30/78,500.06
  6. Step 6: Final answer
    x = 83,524.57

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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.