Home / 72,987.03-109,471.11-23,072.16

Finding the Fourth Proportional to 72,987.03, 109,471.11 and 23,072.16

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Solution

The fourth proportional to 72,987.03, 109,471.11 and 23,072.16 is: 34,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,987.03 : 109,471.11 = 23,072.16 : x
  2. Step 2: Convert to fraction form
    72,987.03/109,471.11 = 23,072.16/x
  3. Step 3: Cross multiply
    72,987.03x = 109,471.11 × 23,072.16
  4. Step 4: Simplify right side
    72,987.03x = 2,525,734,849.94
  5. Step 5: Solve for x
    x = 2,525,734,849.94/72,987.03
  6. Step 6: Final answer
    x = 34,605.26

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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.