Home / 120,795.84-181,111.08-61,516.80

Finding the Fourth Proportional to 120,795.84, 181,111.08 and 61,516.80

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Solution

The fourth proportional to 120,795.84, 181,111.08 and 61,516.80 is: 92,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,795.84 : 181,111.08 = 61,516.80 : x
  2. Step 2: Convert to fraction form
    120,795.84/181,111.08 = 61,516.80/x
  3. Step 3: Cross multiply
    120,795.84x = 181,111.08 × 61,516.80
  4. Step 4: Simplify right side
    120,795.84x = 11,141,374,086.14
  5. Step 5: Solve for x
    x = 11,141,374,086.14/120,795.84
  6. Step 6: Final answer
    x = 92,233.09

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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.