Home / 78,567.11-117,851.75-22,407.24

Finding the Fourth Proportional to 78,567.11, 117,851.75 and 22,407.24

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Solution

The fourth proportional to 78,567.11, 117,851.75 and 22,407.24 is: 33,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,567.11 : 117,851.75 = 22,407.24 : x
  2. Step 2: Convert to fraction form
    78,567.11/117,851.75 = 22,407.24/x
  3. Step 3: Cross multiply
    78,567.11x = 117,851.75 × 22,407.24
  4. Step 4: Simplify right side
    78,567.11x = 2,640,732,446.67
  5. Step 5: Solve for x
    x = 2,640,732,446.67/78,567.11
  6. Step 6: Final answer
    x = 33,611.17

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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.