Home / 69,858.90-104,781.87-23,112.18

Finding the Fourth Proportional to 69,858.90, 104,781.87 and 23,112.18

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Solution

The fourth proportional to 69,858.90, 104,781.87 and 23,112.18 is: 34,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,858.90 : 104,781.87 = 23,112.18 : x
  2. Step 2: Convert to fraction form
    69,858.90/104,781.87 = 23,112.18/x
  3. Step 3: Cross multiply
    69,858.90x = 104,781.87 × 23,112.18
  4. Step 4: Simplify right side
    69,858.90x = 2,421,737,440.18
  5. Step 5: Solve for x
    x = 2,421,737,440.18/69,858.90
  6. Step 6: Final answer
    x = 34,666.13

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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.