Home / 78,694.17-118,006.52-22,521.49

Finding the Fourth Proportional to 78,694.17, 118,006.52 and 22,521.49

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Solution

The fourth proportional to 78,694.17, 118,006.52 and 22,521.49 is: 33,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,694.17 : 118,006.52 = 22,521.49 : x
  2. Step 2: Convert to fraction form
    78,694.17/118,006.52 = 22,521.49/x
  3. Step 3: Cross multiply
    78,694.17x = 118,006.52 × 22,521.49
  4. Step 4: Simplify right side
    78,694.17x = 2,657,682,421.40
  5. Step 5: Solve for x
    x = 2,657,682,421.40/78,694.17
  6. Step 6: Final answer
    x = 33,772.29

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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.