Home / 52,694.06-72,716.90-28,820.22

Finding the Fourth Proportional to 52,694.06, 72,716.90 and 28,820.22

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Solution

The fourth proportional to 52,694.06, 72,716.90 and 28,820.22 is: 39,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,694.06 : 72,716.90 = 28,820.22 : x
  2. Step 2: Convert to fraction form
    52,694.06/72,716.90 = 28,820.22/x
  3. Step 3: Cross multiply
    52,694.06x = 72,716.90 × 28,820.22
  4. Step 4: Simplify right side
    52,694.06x = 2,095,716,761.45
  5. Step 5: Solve for x
    x = 2,095,716,761.45/52,694.06
  6. Step 6: Final answer
    x = 39,771.41

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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.