Home / 92,490.12-138,735.54-22,369.32

Finding the Fourth Proportional to 92,490.12, 138,735.54 and 22,369.32

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Solution

The fourth proportional to 92,490.12, 138,735.54 and 22,369.32 is: 33,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,490.12 : 138,735.54 = 22,369.32 : x
  2. Step 2: Convert to fraction form
    92,490.12/138,735.54 = 22,369.32/x
  3. Step 3: Cross multiply
    92,490.12x = 138,735.54 × 22,369.32
  4. Step 4: Simplify right side
    92,490.12x = 3,103,419,689.63
  5. Step 5: Solve for x
    x = 3,103,419,689.63/92,490.12
  6. Step 6: Final answer
    x = 33,554.07

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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.