Home / 82,368.14-123,527.70-34,982.55

Finding the Fourth Proportional to 82,368.14, 123,527.70 and 34,982.55

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Solution

The fourth proportional to 82,368.14, 123,527.70 and 34,982.55 is: 52,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,368.14 : 123,527.70 = 34,982.55 : x
  2. Step 2: Convert to fraction form
    82,368.14/123,527.70 = 34,982.55/x
  3. Step 3: Cross multiply
    82,368.14x = 123,527.70 × 34,982.55
  4. Step 4: Simplify right side
    82,368.14x = 4,321,313,941.64
  5. Step 5: Solve for x
    x = 4,321,313,941.64/82,368.14
  6. Step 6: Final answer
    x = 52,463.42

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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.