Home / 79,822.05-119,742.34-26,518.79

Finding the Fourth Proportional to 79,822.05, 119,742.34 and 26,518.79

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Solution

The fourth proportional to 79,822.05, 119,742.34 and 26,518.79 is: 39,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,822.05 : 119,742.34 = 26,518.79 : x
  2. Step 2: Convert to fraction form
    79,822.05/119,742.34 = 26,518.79/x
  3. Step 3: Cross multiply
    79,822.05x = 119,742.34 × 26,518.79
  4. Step 4: Simplify right side
    79,822.05x = 3,175,421,652.38
  5. Step 5: Solve for x
    x = 3,175,421,652.38/79,822.05
  6. Step 6: Final answer
    x = 39,781.26

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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.