Home / 66,023.10-98,998.20-26,535.60

Finding the Fourth Proportional to 66,023.10, 98,998.20 and 26,535.60

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Solution

The fourth proportional to 66,023.10, 98,998.20 and 26,535.60 is: 39,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.10 : 98,998.20 = 26,535.60 : x
  2. Step 2: Convert to fraction form
    66,023.10/98,998.20 = 26,535.60/x
  3. Step 3: Cross multiply
    66,023.10x = 98,998.20 × 26,535.60
  4. Step 4: Simplify right side
    66,023.10x = 2,626,976,635.92
  5. Step 5: Solve for x
    x = 2,626,976,635.92/66,023.10
  6. Step 6: Final answer
    x = 39,788.75

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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.