Home / 110,322.32-165,553.43-47,142.90

Finding the Fourth Proportional to 110,322.32, 165,553.43 and 47,142.90

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Solution

The fourth proportional to 110,322.32, 165,553.43 and 47,142.90 is: 70,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,322.32 : 165,553.43 = 47,142.90 : x
  2. Step 2: Convert to fraction form
    110,322.32/165,553.43 = 47,142.90/x
  3. Step 3: Cross multiply
    110,322.32x = 165,553.43 × 47,142.90
  4. Step 4: Simplify right side
    110,322.32x = 7,804,668,559.43
  5. Step 5: Solve for x
    x = 7,804,668,559.43/110,322.32
  6. Step 6: Final answer
    x = 70,744.24

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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.