Home / 92,557.49-138,836.21-22,436.80

Finding the Fourth Proportional to 92,557.49, 138,836.21 and 22,436.80

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Solution

The fourth proportional to 92,557.49, 138,836.21 and 22,436.80 is: 33,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,557.49 : 138,836.21 = 22,436.80 : x
  2. Step 2: Convert to fraction form
    92,557.49/138,836.21 = 22,436.80/x
  3. Step 3: Cross multiply
    92,557.49x = 138,836.21 × 22,436.80
  4. Step 4: Simplify right side
    92,557.49x = 3,115,039,817.25
  5. Step 5: Solve for x
    x = 3,115,039,817.25/92,557.49
  6. Step 6: Final answer
    x = 33,655.19

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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.