Home / 74,468.16-111,707.66-27,721

Finding the Fourth Proportional to 74,468.16, 111,707.66 and 27,721

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Solution

The fourth proportional to 74,468.16, 111,707.66 and 27,721 is: 41,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468.16 : 111,707.66 = 27,721 : x
  2. Step 2: Convert to fraction form
    74,468.16/111,707.66 = 27,721/x
  3. Step 3: Cross multiply
    74,468.16x = 111,707.66 × 27,721
  4. Step 4: Simplify right side
    74,468.16x = 3,096,648,042.86
  5. Step 5: Solve for x
    x = 3,096,648,042.86/74,468.16
  6. Step 6: Final answer
    x = 41,583.52

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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.