Home / 110,066.20-165,080.10-39,909.40

Finding the Fourth Proportional to 110,066.20, 165,080.10 and 39,909.40

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Solution

The fourth proportional to 110,066.20, 165,080.10 and 39,909.40 is: 59,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,066.20 : 165,080.10 = 39,909.40 : x
  2. Step 2: Convert to fraction form
    110,066.20/165,080.10 = 39,909.40/x
  3. Step 3: Cross multiply
    110,066.20x = 165,080.10 × 39,909.40
  4. Step 4: Simplify right side
    110,066.20x = 6,588,247,742.94
  5. Step 5: Solve for x
    x = 6,588,247,742.94/110,066.20
  6. Step 6: Final answer
    x = 59,857.14

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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.