Home / 110,411.09-165,619.35-40,290.38

Finding the Fourth Proportional to 110,411.09, 165,619.35 and 40,290.38

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Solution

The fourth proportional to 110,411.09, 165,619.35 and 40,290.38 is: 60,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,411.09 : 165,619.35 = 40,290.38 : x
  2. Step 2: Convert to fraction form
    110,411.09/165,619.35 = 40,290.38/x
  3. Step 3: Cross multiply
    110,411.09x = 165,619.35 × 40,290.38
  4. Step 4: Simplify right side
    110,411.09x = 6,672,865,718.76
  5. Step 5: Solve for x
    x = 6,672,865,718.76/110,411.09
  6. Step 6: Final answer
    x = 60,436.56

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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.