Home / 118,054.18-162,909.97-64,338.04

Finding the Fourth Proportional to 118,054.18, 162,909.97 and 64,338.04

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Solution

The fourth proportional to 118,054.18, 162,909.97 and 64,338.04 is: 88,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,054.18 : 162,909.97 = 64,338.04 : x
  2. Step 2: Convert to fraction form
    118,054.18/162,909.97 = 64,338.04/x
  3. Step 3: Cross multiply
    118,054.18x = 162,909.97 × 64,338.04
  4. Step 4: Simplify right side
    118,054.18x = 10,481,308,166.26
  5. Step 5: Solve for x
    x = 10,481,308,166.26/118,054.18
  6. Step 6: Final answer
    x = 88,783.88

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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.