Home / 84,201.13-126,325.38-36,820.38

Finding the Fourth Proportional to 84,201.13, 126,325.38 and 36,820.38

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Solution

The fourth proportional to 84,201.13, 126,325.38 and 36,820.38 is: 55,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201.13 : 126,325.38 = 36,820.38 : x
  2. Step 2: Convert to fraction form
    84,201.13/126,325.38 = 36,820.38/x
  3. Step 3: Cross multiply
    84,201.13x = 126,325.38 × 36,820.38
  4. Step 4: Simplify right side
    84,201.13x = 4,651,348,633.32
  5. Step 5: Solve for x
    x = 4,651,348,633.32/84,201.13
  6. Step 6: Final answer
    x = 55,240.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.