Home / 110,519.41-165,640.39-47,265.13

Finding the Fourth Proportional to 110,519.41, 165,640.39 and 47,265.13

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Solution

The fourth proportional to 110,519.41, 165,640.39 and 47,265.13 is: 70,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,519.41 : 165,640.39 = 47,265.13 : x
  2. Step 2: Convert to fraction form
    110,519.41/165,640.39 = 47,265.13/x
  3. Step 3: Cross multiply
    110,519.41x = 165,640.39 × 47,265.13
  4. Step 4: Simplify right side
    110,519.41x = 7,829,013,502.07
  5. Step 5: Solve for x
    x = 7,829,013,502.07/110,519.41
  6. Step 6: Final answer
    x = 70,838.36

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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.