Home / 50,515.41-75,720.27-17,223.81

Finding the Fourth Proportional to 50,515.41, 75,720.27 and 17,223.81

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Solution

The fourth proportional to 50,515.41, 75,720.27 and 17,223.81 is: 25,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.41 : 75,720.27 = 17,223.81 : x
  2. Step 2: Convert to fraction form
    50,515.41/75,720.27 = 17,223.81/x
  3. Step 3: Cross multiply
    50,515.41x = 75,720.27 × 17,223.81
  4. Step 4: Simplify right side
    50,515.41x = 1,304,191,543.63
  5. Step 5: Solve for x
    x = 1,304,191,543.63/50,515.41
  6. Step 6: Final answer
    x = 25,817.70

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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.