Home / 52,195.14-72,028.80-28,321.56

Finding the Fourth Proportional to 52,195.14, 72,028.80 and 28,321.56

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Solution

The fourth proportional to 52,195.14, 72,028.80 and 28,321.56 is: 39,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,195.14 : 72,028.80 = 28,321.56 : x
  2. Step 2: Convert to fraction form
    52,195.14/72,028.80 = 28,321.56/x
  3. Step 3: Cross multiply
    52,195.14x = 72,028.80 × 28,321.56
  4. Step 4: Simplify right side
    52,195.14x = 2,039,967,980.93
  5. Step 5: Solve for x
    x = 2,039,967,980.93/52,195.14
  6. Step 6: Final answer
    x = 39,083.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.