Home / 52,212.25-78,331.74-17,152.21

Finding the Fourth Proportional to 52,212.25, 78,331.74 and 17,152.21

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Solution

The fourth proportional to 52,212.25, 78,331.74 and 17,152.21 is: 25,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.25 : 78,331.74 = 17,152.21 : x
  2. Step 2: Convert to fraction form
    52,212.25/78,331.74 = 17,152.21/x
  3. Step 3: Cross multiply
    52,212.25x = 78,331.74 × 17,152.21
  4. Step 4: Simplify right side
    52,212.25x = 1,343,562,454.15
  5. Step 5: Solve for x
    x = 1,343,562,454.15/52,212.25
  6. Step 6: Final answer
    x = 25,732.71

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1.5x scale

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.