Home / 66,342.62-99,513.32-26,890.36

Finding the Fourth Proportional to 66,342.62, 99,513.32 and 26,890.36

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Solution

The fourth proportional to 66,342.62, 99,513.32 and 26,890.36 is: 40,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,342.62 : 99,513.32 = 26,890.36 : x
  2. Step 2: Convert to fraction form
    66,342.62/99,513.32 = 26,890.36/x
  3. Step 3: Cross multiply
    66,342.62x = 99,513.32 × 26,890.36
  4. Step 4: Simplify right side
    66,342.62x = 2,675,948,999.60
  5. Step 5: Solve for x
    x = 2,675,948,999.60/66,342.62
  6. Step 6: Final answer
    x = 40,335.29

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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.