Home / 70,367.12-97,105.68-38,536.04

Finding the Fourth Proportional to 70,367.12, 97,105.68 and 38,536.04

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Solution

The fourth proportional to 70,367.12, 97,105.68 and 38,536.04 is: 53,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.12 : 97,105.68 = 38,536.04 : x
  2. Step 2: Convert to fraction form
    70,367.12/97,105.68 = 38,536.04/x
  3. Step 3: Cross multiply
    70,367.12x = 97,105.68 × 38,536.04
  4. Step 4: Simplify right side
    70,367.12x = 3,742,067,883.18
  5. Step 5: Solve for x
    x = 3,742,067,883.18/70,367.12
  6. Step 6: Final answer
    x = 53,179.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.