Home / 82,475.70-123,701.40-23,317.35

Finding the Fourth Proportional to 82,475.70, 123,701.40 and 23,317.35

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Solution

The fourth proportional to 82,475.70, 123,701.40 and 23,317.35 is: 34,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.70 : 123,701.40 = 23,317.35 : x
  2. Step 2: Convert to fraction form
    82,475.70/123,701.40 = 23,317.35/x
  3. Step 3: Cross multiply
    82,475.70x = 123,701.40 × 23,317.35
  4. Step 4: Simplify right side
    82,475.70x = 2,884,388,839.29
  5. Step 5: Solve for x
    x = 2,884,388,839.29/82,475.70
  6. Step 6: Final answer
    x = 34,972.59

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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.