Home / 52,544.12-78,851.88-21,385.04

Finding the Fourth Proportional to 52,544.12, 78,851.88 and 21,385.04

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Solution

The fourth proportional to 52,544.12, 78,851.88 and 21,385.04 is: 32,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,544.12 : 78,851.88 = 21,385.04 : x
  2. Step 2: Convert to fraction form
    52,544.12/78,851.88 = 21,385.04/x
  3. Step 3: Cross multiply
    52,544.12x = 78,851.88 × 21,385.04
  4. Step 4: Simplify right side
    52,544.12x = 1,686,250,607.88
  5. Step 5: Solve for x
    x = 1,686,250,607.88/52,544.12
  6. Step 6: Final answer
    x = 32,092.09

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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.