Home / 77,766.90-116,650.62-21,610.14

Finding the Fourth Proportional to 77,766.90, 116,650.62 and 21,610.14

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Solution

The fourth proportional to 77,766.90, 116,650.62 and 21,610.14 is: 32,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,766.90 : 116,650.62 = 21,610.14 : x
  2. Step 2: Convert to fraction form
    77,766.90/116,650.62 = 21,610.14/x
  3. Step 3: Cross multiply
    77,766.90x = 116,650.62 × 21,610.14
  4. Step 4: Simplify right side
    77,766.90x = 2,520,836,229.29
  5. Step 5: Solve for x
    x = 2,520,836,229.29/77,766.90
  6. Step 6: Final answer
    x = 32,415.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.