Home / 72,712.23-109,002.33-25,954.17

Finding the Fourth Proportional to 72,712.23, 109,002.33 and 25,954.17

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Solution

The fourth proportional to 72,712.23, 109,002.33 and 25,954.17 is: 38,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,712.23 : 109,002.33 = 25,954.17 : x
  2. Step 2: Convert to fraction form
    72,712.23/109,002.33 = 25,954.17/x
  3. Step 3: Cross multiply
    72,712.23x = 109,002.33 × 25,954.17
  4. Step 4: Simplify right side
    72,712.23x = 2,829,065,003.22
  5. Step 5: Solve for x
    x = 2,829,065,003.22/72,712.23
  6. Step 6: Final answer
    x = 38,907.69

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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.