Home / 79,869.80-110,150.28-63,948.44

Finding the Fourth Proportional to 79,869.80, 110,150.28 and 63,948.44

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Solution

The fourth proportional to 79,869.80, 110,150.28 and 63,948.44 is: 88,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.80 : 110,150.28 = 63,948.44 : x
  2. Step 2: Convert to fraction form
    79,869.80/110,150.28 = 63,948.44/x
  3. Step 3: Cross multiply
    79,869.80x = 110,150.28 × 63,948.44
  4. Step 4: Simplify right side
    79,869.80x = 7,043,938,571.56
  5. Step 5: Solve for x
    x = 7,043,938,571.56/79,869.80
  6. Step 6: Final answer
    x = 88,192.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.