Home / 120,982.74-181,511.04-61,859.93

Finding the Fourth Proportional to 120,982.74, 181,511.04 and 61,859.93

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Solution

The fourth proportional to 120,982.74, 181,511.04 and 61,859.93 is: 92,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,982.74 : 181,511.04 = 61,859.93 : x
  2. Step 2: Convert to fraction form
    120,982.74/181,511.04 = 61,859.93/x
  3. Step 3: Cross multiply
    120,982.74x = 181,511.04 × 61,859.93
  4. Step 4: Simplify right side
    120,982.74x = 11,228,260,228.63
  5. Step 5: Solve for x
    x = 11,228,260,228.63/120,982.74
  6. Step 6: Final answer
    x = 92,808.78

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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.