Home / 77,522.60-106,979.82-43,531.36

Finding the Fourth Proportional to 77,522.60, 106,979.82 and 43,531.36

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Solution

The fourth proportional to 77,522.60, 106,979.82 and 43,531.36 is: 60,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,522.60 : 106,979.82 = 43,531.36 : x
  2. Step 2: Convert to fraction form
    77,522.60/106,979.82 = 43,531.36/x
  3. Step 3: Cross multiply
    77,522.60x = 106,979.82 × 43,531.36
  4. Step 4: Simplify right side
    77,522.60x = 4,656,977,057.16
  5. Step 5: Solve for x
    x = 4,656,977,057.16/77,522.60
  6. Step 6: Final answer
    x = 60,072.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.