Home / 97,286.88-145,695.18-80,523.51

Finding the Fourth Proportional to 97,286.88, 145,695.18 and 80,523.51

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Solution

The fourth proportional to 97,286.88, 145,695.18 and 80,523.51 is: 120,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,286.88 : 145,695.18 = 80,523.51 : x
  2. Step 2: Convert to fraction form
    97,286.88/145,695.18 = 80,523.51/x
  3. Step 3: Cross multiply
    97,286.88x = 145,695.18 × 80,523.51
  4. Step 4: Simplify right side
    97,286.88x = 11,731,887,283.68
  5. Step 5: Solve for x
    x = 11,731,887,283.68/97,286.88
  6. Step 6: Final answer
    x = 120,590.64

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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.