Home / 52,260.93-72,121.43-28,388.97

Finding the Fourth Proportional to 52,260.93, 72,121.43 and 28,388.97

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Solution

The fourth proportional to 52,260.93, 72,121.43 and 28,388.97 is: 39,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.93 : 72,121.43 = 28,388.97 : x
  2. Step 2: Convert to fraction form
    52,260.93/72,121.43 = 28,388.97/x
  3. Step 3: Cross multiply
    52,260.93x = 72,121.43 × 28,388.97
  4. Step 4: Simplify right side
    52,260.93x = 2,047,452,970.68
  5. Step 5: Solve for x
    x = 2,047,452,970.68/52,260.93
  6. Step 6: Final answer
    x = 39,177.51

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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.