Home / 71,736.05-107,617.13-23,707.40

Finding the Fourth Proportional to 71,736.05, 107,617.13 and 23,707.40

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Solution

The fourth proportional to 71,736.05, 107,617.13 and 23,707.40 is: 35,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,736.05 : 107,617.13 = 23,707.40 : x
  2. Step 2: Convert to fraction form
    71,736.05/107,617.13 = 23,707.40/x
  3. Step 3: Cross multiply
    71,736.05x = 107,617.13 × 23,707.40
  4. Step 4: Simplify right side
    71,736.05x = 2,551,322,347.76
  5. Step 5: Solve for x
    x = 2,551,322,347.76/71,736.05
  6. Step 6: Final answer
    x = 35,565.41

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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.