Home / 119,272.55-164,587.68-65,561.04

Finding the Fourth Proportional to 119,272.55, 164,587.68 and 65,561.04

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Solution

The fourth proportional to 119,272.55, 164,587.68 and 65,561.04 is: 90,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.55 : 164,587.68 = 65,561.04 : x
  2. Step 2: Convert to fraction form
    119,272.55/164,587.68 = 65,561.04/x
  3. Step 3: Cross multiply
    119,272.55x = 164,587.68 × 65,561.04
  4. Step 4: Simplify right side
    119,272.55x = 10,790,539,471.99
  5. Step 5: Solve for x
    x = 10,790,539,471.99/119,272.55
  6. Step 6: Final answer
    x = 90,469.60

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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.