Home / 68,590.22-102,889.29-26,470.52

Finding the Fourth Proportional to 68,590.22, 102,889.29 and 26,470.52

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Solution

The fourth proportional to 68,590.22, 102,889.29 and 26,470.52 is: 39,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.22 : 102,889.29 = 26,470.52 : x
  2. Step 2: Convert to fraction form
    68,590.22/102,889.29 = 26,470.52/x
  3. Step 3: Cross multiply
    68,590.22x = 102,889.29 × 26,470.52
  4. Step 4: Simplify right side
    68,590.22x = 2,723,533,008.73
  5. Step 5: Solve for x
    x = 2,723,533,008.73/68,590.22
  6. Step 6: Final answer
    x = 39,707.31

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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.