Home / 52,255.62-72,112.98-28,382.70

Finding the Fourth Proportional to 52,255.62, 72,112.98 and 28,382.70

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Solution

The fourth proportional to 52,255.62, 72,112.98 and 28,382.70 is: 39,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,255.62 : 72,112.98 = 28,382.70 : x
  2. Step 2: Convert to fraction form
    52,255.62/72,112.98 = 28,382.70/x
  3. Step 3: Cross multiply
    52,255.62x = 72,112.98 × 28,382.70
  4. Step 4: Simplify right side
    52,255.62x = 2,046,761,077.45
  5. Step 5: Solve for x
    x = 2,046,761,077.45/52,255.62
  6. Step 6: Final answer
    x = 39,168.25

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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.