Home / 110,972.13-153,104.04-63,191.64

Finding the Fourth Proportional to 110,972.13, 153,104.04 and 63,191.64

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Solution

The fourth proportional to 110,972.13, 153,104.04 and 63,191.64 is: 87,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,972.13 : 153,104.04 = 63,191.64 : x
  2. Step 2: Convert to fraction form
    110,972.13/153,104.04 = 63,191.64/x
  3. Step 3: Cross multiply
    110,972.13x = 153,104.04 × 63,191.64
  4. Step 4: Simplify right side
    110,972.13x = 9,674,895,952.37
  5. Step 5: Solve for x
    x = 9,674,895,952.37/110,972.13
  6. Step 6: Final answer
    x = 87,183.12

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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.