Home / 118,704.26-163,812.36-64,994.28

Finding the Fourth Proportional to 118,704.26, 163,812.36 and 64,994.28

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Solution

The fourth proportional to 118,704.26, 163,812.36 and 64,994.28 is: 89,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,704.26 : 163,812.36 = 64,994.28 : x
  2. Step 2: Convert to fraction form
    118,704.26/163,812.36 = 64,994.28/x
  3. Step 3: Cross multiply
    118,704.26x = 163,812.36 × 64,994.28
  4. Step 4: Simplify right side
    118,704.26x = 10,646,866,393.30
  5. Step 5: Solve for x
    x = 10,646,866,393.30/118,704.26
  6. Step 6: Final answer
    x = 89,692.37

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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.