Home / 51,622.65-77,424.75-13,672.19

Finding the Fourth Proportional to 51,622.65, 77,424.75 and 13,672.19

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Solution

The fourth proportional to 51,622.65, 77,424.75 and 13,672.19 is: 20,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622.65 : 77,424.75 = 13,672.19 : x
  2. Step 2: Convert to fraction form
    51,622.65/77,424.75 = 13,672.19/x
  3. Step 3: Cross multiply
    51,622.65x = 77,424.75 × 13,672.19
  4. Step 4: Simplify right side
    51,622.65x = 1,058,566,086.26
  5. Step 5: Solve for x
    x = 1,058,566,086.26/51,622.65
  6. Step 6: Final answer
    x = 20,505.85

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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.