Home / 82,087.19-123,186.14-32,161.02

Finding the Fourth Proportional to 82,087.19, 123,186.14 and 32,161.02

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Solution

The fourth proportional to 82,087.19, 123,186.14 and 32,161.02 is: 48,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,087.19 : 123,186.14 = 32,161.02 : x
  2. Step 2: Convert to fraction form
    82,087.19/123,186.14 = 32,161.02/x
  3. Step 3: Cross multiply
    82,087.19x = 123,186.14 × 32,161.02
  4. Step 4: Simplify right side
    82,087.19x = 3,961,791,751.46
  5. Step 5: Solve for x
    x = 3,961,791,751.46/82,087.19
  6. Step 6: Final answer
    x = 48,263.22

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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.