Home / 71,088.82-106,629.56-26,712.16

Finding the Fourth Proportional to 71,088.82, 106,629.56 and 26,712.16

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Solution

The fourth proportional to 71,088.82, 106,629.56 and 26,712.16 is: 40,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,088.82 : 106,629.56 = 26,712.16 : x
  2. Step 2: Convert to fraction form
    71,088.82/106,629.56 = 26,712.16/x
  3. Step 3: Cross multiply
    71,088.82x = 106,629.56 × 26,712.16
  4. Step 4: Simplify right side
    71,088.82x = 2,848,305,867.45
  5. Step 5: Solve for x
    x = 2,848,305,867.45/71,088.82
  6. Step 6: Final answer
    x = 40,066.86

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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.