Home / 70,927.38-106,391.13-17,619.30

Finding the Fourth Proportional to 70,927.38, 106,391.13 and 17,619.30

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Solution

The fourth proportional to 70,927.38, 106,391.13 and 17,619.30 is: 26,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.38 : 106,391.13 = 17,619.30 : x
  2. Step 2: Convert to fraction form
    70,927.38/106,391.13 = 17,619.30/x
  3. Step 3: Cross multiply
    70,927.38x = 106,391.13 × 17,619.30
  4. Step 4: Simplify right side
    70,927.38x = 1,874,537,236.81
  5. Step 5: Solve for x
    x = 1,874,537,236.81/70,927.38
  6. Step 6: Final answer
    x = 26,428.96

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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.