Home / 110,412.10-165,620.85-40,291.39

Finding the Fourth Proportional to 110,412.10, 165,620.85 and 40,291.39

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Solution

The fourth proportional to 110,412.10, 165,620.85 and 40,291.39 is: 60,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,412.10 : 165,620.85 = 40,291.39 : x
  2. Step 2: Convert to fraction form
    110,412.10/165,620.85 = 40,291.39/x
  3. Step 3: Cross multiply
    110,412.10x = 165,620.85 × 40,291.39
  4. Step 4: Simplify right side
    110,412.10x = 6,673,094,259.48
  5. Step 5: Solve for x
    x = 6,673,094,259.48/110,412.10
  6. Step 6: Final answer
    x = 60,438.07

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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.