Home / 74,028-111,091.20-34,588.18

Finding the Fourth Proportional to 74,028, 111,091.20 and 34,588.18

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Solution

The fourth proportional to 74,028, 111,091.20 and 34,588.18 is: 51,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,028 : 111,091.20 = 34,588.18 : x
  2. Step 2: Convert to fraction form
    74,028/111,091.20 = 34,588.18/x
  3. Step 3: Cross multiply
    74,028x = 111,091.20 × 34,588.18
  4. Step 4: Simplify right side
    74,028x = 3,842,442,422.02
  5. Step 5: Solve for x
    x = 3,842,442,422.02/74,028
  6. Step 6: Final answer
    x = 51,905.26

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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.