Home / 52,782.04-79,178.28-15,342.44

Finding the Fourth Proportional to 52,782.04, 79,178.28 and 15,342.44

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Solution

The fourth proportional to 52,782.04, 79,178.28 and 15,342.44 is: 23,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.04 : 79,178.28 = 15,342.44 : x
  2. Step 2: Convert to fraction form
    52,782.04/79,178.28 = 15,342.44/x
  3. Step 3: Cross multiply
    52,782.04x = 79,178.28 × 15,342.44
  4. Step 4: Simplify right side
    52,782.04x = 1,214,788,010.20
  5. Step 5: Solve for x
    x = 1,214,788,010.20/52,782.04
  6. Step 6: Final answer
    x = 23,015.18

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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.