Home / 75,721.86-113,528.12-23,102.64

Finding the Fourth Proportional to 75,721.86, 113,528.12 and 23,102.64

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Solution

The fourth proportional to 75,721.86, 113,528.12 and 23,102.64 is: 34,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.86 : 113,528.12 = 23,102.64 : x
  2. Step 2: Convert to fraction form
    75,721.86/113,528.12 = 23,102.64/x
  3. Step 3: Cross multiply
    75,721.86x = 113,528.12 × 23,102.64
  4. Step 4: Simplify right side
    75,721.86x = 2,622,799,170.72
  5. Step 5: Solve for x
    x = 2,622,799,170.72/75,721.86
  6. Step 6: Final answer
    x = 34,637.28

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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.