Home / 52,468.38-78,704.49-21,302.94

Finding the Fourth Proportional to 52,468.38, 78,704.49 and 21,302.94

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Solution

The fourth proportional to 52,468.38, 78,704.49 and 21,302.94 is: 31,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,468.38 : 78,704.49 = 21,302.94 : x
  2. Step 2: Convert to fraction form
    52,468.38/78,704.49 = 21,302.94/x
  3. Step 3: Cross multiply
    52,468.38x = 78,704.49 × 21,302.94
  4. Step 4: Simplify right side
    52,468.38x = 1,676,637,028.20
  5. Step 5: Solve for x
    x = 1,676,637,028.20/52,468.38
  6. Step 6: Final answer
    x = 31,955.19

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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.