Home / 78,333.30-117,504.50-22,168.71

Finding the Fourth Proportional to 78,333.30, 117,504.50 and 22,168.71

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Solution

The fourth proportional to 78,333.30, 117,504.50 and 22,168.71 is: 33,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,333.30 : 117,504.50 = 22,168.71 : x
  2. Step 2: Convert to fraction form
    78,333.30/117,504.50 = 22,168.71/x
  3. Step 3: Cross multiply
    78,333.30x = 117,504.50 × 22,168.71
  4. Step 4: Simplify right side
    78,333.30x = 2,604,923,184.20
  5. Step 5: Solve for x
    x = 2,604,923,184.20/78,333.30
  6. Step 6: Final answer
    x = 33,254.35

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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.