Home / 118,077.40-162,944.22-64,360.36

Finding the Fourth Proportional to 118,077.40, 162,944.22 and 64,360.36

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Solution

The fourth proportional to 118,077.40, 162,944.22 and 64,360.36 is: 88,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,077.40 : 162,944.22 = 64,360.36 : x
  2. Step 2: Convert to fraction form
    118,077.40/162,944.22 = 64,360.36/x
  3. Step 3: Cross multiply
    118,077.40x = 162,944.22 × 64,360.36
  4. Step 4: Simplify right side
    118,077.40x = 10,487,148,659.12
  5. Step 5: Solve for x
    x = 10,487,148,659.12/118,077.40
  6. Step 6: Final answer
    x = 88,815.88

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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.