Home / 73,517.86-110,288.33-31,398.16

Finding the Fourth Proportional to 73,517.86, 110,288.33 and 31,398.16

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Solution

The fourth proportional to 73,517.86, 110,288.33 and 31,398.16 is: 47,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,517.86 : 110,288.33 = 31,398.16 : x
  2. Step 2: Convert to fraction form
    73,517.86/110,288.33 = 31,398.16/x
  3. Step 3: Cross multiply
    73,517.86x = 110,288.33 × 31,398.16
  4. Step 4: Simplify right side
    73,517.86x = 3,462,850,631.47
  5. Step 5: Solve for x
    x = 3,462,850,631.47/73,517.86
  6. Step 6: Final answer
    x = 47,102.17

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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.