Home / 82,584.36-123,860.14-40,446.34

Finding the Fourth Proportional to 82,584.36, 123,860.14 and 40,446.34

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Solution

The fourth proportional to 82,584.36, 123,860.14 and 40,446.34 is: 60,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,584.36 : 123,860.14 = 40,446.34 : x
  2. Step 2: Convert to fraction form
    82,584.36/123,860.14 = 40,446.34/x
  3. Step 3: Cross multiply
    82,584.36x = 123,860.14 × 40,446.34
  4. Step 4: Simplify right side
    82,584.36x = 5,009,688,924.12
  5. Step 5: Solve for x
    x = 5,009,688,924.12/82,584.36
  6. Step 6: Final answer
    x = 60,661.47

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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.