Home / 118,675.62-163,772.24-64,960.16

Finding the Fourth Proportional to 118,675.62, 163,772.24 and 64,960.16

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Solution

The fourth proportional to 118,675.62, 163,772.24 and 64,960.16 is: 89,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675.62 : 163,772.24 = 64,960.16 : x
  2. Step 2: Convert to fraction form
    118,675.62/163,772.24 = 64,960.16/x
  3. Step 3: Cross multiply
    118,675.62x = 163,772.24 × 64,960.16
  4. Step 4: Simplify right side
    118,675.62x = 10,638,669,770.30
  5. Step 5: Solve for x
    x = 10,638,669,770.30/118,675.62
  6. Step 6: Final answer
    x = 89,644.95

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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.