Home / 118,474.38-163,499.04-64,763.04

Finding the Fourth Proportional to 118,474.38, 163,499.04 and 64,763.04

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Solution

The fourth proportional to 118,474.38, 163,499.04 and 64,763.04 is: 89,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,474.38 : 163,499.04 = 64,763.04 : x
  2. Step 2: Convert to fraction form
    118,474.38/163,499.04 = 64,763.04/x
  3. Step 3: Cross multiply
    118,474.38x = 163,499.04 × 64,763.04
  4. Step 4: Simplify right side
    118,474.38x = 10,588,694,867.48
  5. Step 5: Solve for x
    x = 10,588,694,867.48/118,474.38
  6. Step 6: Final answer
    x = 89,375.40

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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.