Home / 78,446.34-117,677.21-22,289.04

Finding the Fourth Proportional to 78,446.34, 117,677.21 and 22,289.04

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Solution

The fourth proportional to 78,446.34, 117,677.21 and 22,289.04 is: 33,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,446.34 : 117,677.21 = 22,289.04 : x
  2. Step 2: Convert to fraction form
    78,446.34/117,677.21 = 22,289.04/x
  3. Step 3: Cross multiply
    78,446.34x = 117,677.21 × 22,289.04
  4. Step 4: Simplify right side
    78,446.34x = 2,622,911,929.33
  5. Step 5: Solve for x
    x = 2,622,911,929.33/78,446.34
  6. Step 6: Final answer
    x = 33,435.75

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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.