Home / 52,717.53-79,065.36-19,428.96

Finding the Fourth Proportional to 52,717.53, 79,065.36 and 19,428.96

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Solution

The fourth proportional to 52,717.53, 79,065.36 and 19,428.96 is: 29,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,717.53 : 79,065.36 = 19,428.96 : x
  2. Step 2: Convert to fraction form
    52,717.53/79,065.36 = 19,428.96/x
  3. Step 3: Cross multiply
    52,717.53x = 79,065.36 × 19,428.96
  4. Step 4: Simplify right side
    52,717.53x = 1,536,157,716.83
  5. Step 5: Solve for x
    x = 1,536,157,716.83/52,717.53
  6. Step 6: Final answer
    x = 29,139.41

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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.