Home / 74,130.02-111,195.25-17,969.90

Finding the Fourth Proportional to 74,130.02, 111,195.25 and 17,969.90

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Solution

The fourth proportional to 74,130.02, 111,195.25 and 17,969.90 is: 26,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.02 : 111,195.25 = 17,969.90 : x
  2. Step 2: Convert to fraction form
    74,130.02/111,195.25 = 17,969.90/x
  3. Step 3: Cross multiply
    74,130.02x = 111,195.25 × 17,969.90
  4. Step 4: Simplify right side
    74,130.02x = 1,998,167,522.98
  5. Step 5: Solve for x
    x = 1,998,167,522.98/74,130.02
  6. Step 6: Final answer
    x = 26,954.90

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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.