Home / 52,074.23-78,064.56-18,786.47

Finding the Fourth Proportional to 52,074.23, 78,064.56 and 18,786.47

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Solution

The fourth proportional to 52,074.23, 78,064.56 and 18,786.47 is: 28,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,074.23 : 78,064.56 = 18,786.47 : x
  2. Step 2: Convert to fraction form
    52,074.23/78,064.56 = 18,786.47/x
  3. Step 3: Cross multiply
    52,074.23x = 78,064.56 × 18,786.47
  4. Step 4: Simplify right side
    52,074.23x = 1,466,557,124.18
  5. Step 5: Solve for x
    x = 1,466,557,124.18/52,074.23
  6. Step 6: Final answer
    x = 28,162.82

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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.