Home / 120,664.65-181,061.78-50,551.05

Finding the Fourth Proportional to 120,664.65, 181,061.78 and 50,551.05

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Solution

The fourth proportional to 120,664.65, 181,061.78 and 50,551.05 is: 75,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,664.65 : 181,061.78 = 50,551.05 : x
  2. Step 2: Convert to fraction form
    120,664.65/181,061.78 = 50,551.05/x
  3. Step 3: Cross multiply
    120,664.65x = 181,061.78 × 50,551.05
  4. Step 4: Simplify right side
    120,664.65x = 9,152,862,841.11
  5. Step 5: Solve for x
    x = 9,152,862,841.11/120,664.65
  6. Step 6: Final answer
    x = 75,853.72

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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.