Home / 52,874.51-79,307.56-21,262.29

Finding the Fourth Proportional to 52,874.51, 79,307.56 and 21,262.29

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Solution

The fourth proportional to 52,874.51, 79,307.56 and 21,262.29 is: 31,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.51 : 79,307.56 = 21,262.29 : x
  2. Step 2: Convert to fraction form
    52,874.51/79,307.56 = 21,262.29/x
  3. Step 3: Cross multiply
    52,874.51x = 79,307.56 × 21,262.29
  4. Step 4: Simplify right side
    52,874.51x = 1,686,260,339.91
  5. Step 5: Solve for x
    x = 1,686,260,339.91/52,874.51
  6. Step 6: Final answer
    x = 31,891.74

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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.