Home / 86,243.94-129,356.82-23,070.44

Finding the Fourth Proportional to 86,243.94, 129,356.82 and 23,070.44

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Solution

The fourth proportional to 86,243.94, 129,356.82 and 23,070.44 is: 34,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243.94 : 129,356.82 = 23,070.44 : x
  2. Step 2: Convert to fraction form
    86,243.94/129,356.82 = 23,070.44/x
  3. Step 3: Cross multiply
    86,243.94x = 129,356.82 × 23,070.44
  4. Step 4: Simplify right side
    86,243.94x = 2,984,318,107.62
  5. Step 5: Solve for x
    x = 2,984,318,107.62/86,243.94
  6. Step 6: Final answer
    x = 34,603.22

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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.