Home / 120,671.65-181,072.28-50,558.05

Finding the Fourth Proportional to 120,671.65, 181,072.28 and 50,558.05

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Solution

The fourth proportional to 120,671.65, 181,072.28 and 50,558.05 is: 75,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,671.65 : 181,072.28 = 50,558.05 : x
  2. Step 2: Convert to fraction form
    120,671.65/181,072.28 = 50,558.05/x
  3. Step 3: Cross multiply
    120,671.65x = 181,072.28 × 50,558.05
  4. Step 4: Simplify right side
    120,671.65x = 9,154,661,133.06
  5. Step 5: Solve for x
    x = 9,154,661,133.06/120,671.65
  6. Step 6: Final answer
    x = 75,864.22

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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.