Home / 118,627.11-163,705.91-64,179.11

Finding the Fourth Proportional to 118,627.11, 163,705.91 and 64,179.11

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Solution

The fourth proportional to 118,627.11, 163,705.91 and 64,179.11 is: 88,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627.11 : 163,705.91 = 64,179.11 : x
  2. Step 2: Convert to fraction form
    118,627.11/163,705.91 = 64,179.11/x
  3. Step 3: Cross multiply
    118,627.11x = 163,705.91 × 64,179.11
  4. Step 4: Simplify right side
    118,627.11x = 10,506,498,466.12
  5. Step 5: Solve for x
    x = 10,506,498,466.12/118,627.11
  6. Step 6: Final answer
    x = 88,567.43

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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.