Home / 80,434.77-120,674.01-27,848.35

Finding the Fourth Proportional to 80,434.77, 120,674.01 and 27,848.35

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Solution

The fourth proportional to 80,434.77, 120,674.01 and 27,848.35 is: 41,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.77 : 120,674.01 = 27,848.35 : x
  2. Step 2: Convert to fraction form
    80,434.77/120,674.01 = 27,848.35/x
  3. Step 3: Cross multiply
    80,434.77x = 120,674.01 × 27,848.35
  4. Step 4: Simplify right side
    80,434.77x = 3,360,572,066.38
  5. Step 5: Solve for x
    x = 3,360,572,066.38/80,434.77
  6. Step 6: Final answer
    x = 41,780.09

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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.