Home / 110,124.72-165,089.16-47,761.20

Finding the Fourth Proportional to 110,124.72, 165,089.16 and 47,761.20

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Solution

The fourth proportional to 110,124.72, 165,089.16 and 47,761.20 is: 71,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,124.72 : 165,089.16 = 47,761.20 : x
  2. Step 2: Convert to fraction form
    110,124.72/165,089.16 = 47,761.20/x
  3. Step 3: Cross multiply
    110,124.72x = 165,089.16 × 47,761.20
  4. Step 4: Simplify right side
    110,124.72x = 7,884,856,388.59
  5. Step 5: Solve for x
    x = 7,884,856,388.59/110,124.72
  6. Step 6: Final answer
    x = 71,599.33

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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.