Home / 109,104.04-150,561.21-63,165.62

Finding the Fourth Proportional to 109,104.04, 150,561.21 and 63,165.62

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Solution

The fourth proportional to 109,104.04, 150,561.21 and 63,165.62 is: 87,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,104.04 : 150,561.21 = 63,165.62 : x
  2. Step 2: Convert to fraction form
    109,104.04/150,561.21 = 63,165.62/x
  3. Step 3: Cross multiply
    109,104.04x = 150,561.21 × 63,165.62
  4. Step 4: Simplify right side
    109,104.04x = 9,510,291,613.00
  5. Step 5: Solve for x
    x = 9,510,291,613.00/109,104.04
  6. Step 6: Final answer
    x = 87,167.18

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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.