Home / 117,480.15-162,122.81-63,765.18

Finding the Fourth Proportional to 117,480.15, 162,122.81 and 63,765.18

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Solution

The fourth proportional to 117,480.15, 162,122.81 and 63,765.18 is: 87,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.15 : 162,122.81 = 63,765.18 : x
  2. Step 2: Convert to fraction form
    117,480.15/162,122.81 = 63,765.18/x
  3. Step 3: Cross multiply
    117,480.15x = 162,122.81 × 63,765.18
  4. Step 4: Simplify right side
    117,480.15x = 10,337,789,842.93
  5. Step 5: Solve for x
    x = 10,337,789,842.93/117,480.15
  6. Step 6: Final answer
    x = 87,996.06

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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.