Home / 92,508.75-138,818.48-39,918.23

Finding the Fourth Proportional to 92,508.75, 138,818.48 and 39,918.23

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Solution

The fourth proportional to 92,508.75, 138,818.48 and 39,918.23 is: 59,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,508.75 : 138,818.48 = 39,918.23 : x
  2. Step 2: Convert to fraction form
    92,508.75/138,818.48 = 39,918.23/x
  3. Step 3: Cross multiply
    92,508.75x = 138,818.48 × 39,918.23
  4. Step 4: Simplify right side
    92,508.75x = 5,541,388,012.89
  5. Step 5: Solve for x
    x = 5,541,388,012.89/92,508.75
  6. Step 6: Final answer
    x = 59,901.23

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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.