Home / 55,247.40-82,965.87-52,754.22

Finding the Fourth Proportional to 55,247.40, 82,965.87 and 52,754.22

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Solution

The fourth proportional to 55,247.40, 82,965.87 and 52,754.22 is: 79,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.40 : 82,965.87 = 52,754.22 : x
  2. Step 2: Convert to fraction form
    55,247.40/82,965.87 = 52,754.22/x
  3. Step 3: Cross multiply
    55,247.40x = 82,965.87 × 52,754.22
  4. Step 4: Simplify right side
    55,247.40x = 4,376,799,758.47
  5. Step 5: Solve for x
    x = 4,376,799,758.47/55,247.40
  6. Step 6: Final answer
    x = 79,221.82

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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.