Home / 79,441.03-109,624.35-45,445.87

Finding the Fourth Proportional to 79,441.03, 109,624.35 and 45,445.87

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Solution

The fourth proportional to 79,441.03, 109,624.35 and 45,445.87 is: 62,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441.03 : 109,624.35 = 45,445.87 : x
  2. Step 2: Convert to fraction form
    79,441.03/109,624.35 = 45,445.87/x
  3. Step 3: Cross multiply
    79,441.03x = 109,624.35 × 45,445.87
  4. Step 4: Simplify right side
    79,441.03x = 4,981,973,958.93
  5. Step 5: Solve for x
    x = 4,981,973,958.93/79,441.03
  6. Step 6: Final answer
    x = 62,712.86

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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.