Home / 110,106.05-165,162.50-52,390.65

Finding the Fourth Proportional to 110,106.05, 165,162.50 and 52,390.65

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Solution

The fourth proportional to 110,106.05, 165,162.50 and 52,390.65 is: 78,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,106.05 : 165,162.50 = 52,390.65 : x
  2. Step 2: Convert to fraction form
    110,106.05/165,162.50 = 52,390.65/x
  3. Step 3: Cross multiply
    110,106.05x = 165,162.50 × 52,390.65
  4. Step 4: Simplify right side
    110,106.05x = 8,652,970,730.63
  5. Step 5: Solve for x
    x = 8,652,970,730.63/110,106.05
  6. Step 6: Final answer
    x = 78,587.60

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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.