Home / 51,371.25-77,064.56-18,085.44

Finding the Fourth Proportional to 51,371.25, 77,064.56 and 18,085.44

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Solution

The fourth proportional to 51,371.25, 77,064.56 and 18,085.44 is: 27,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,371.25 : 77,064.56 = 18,085.44 : x
  2. Step 2: Convert to fraction form
    51,371.25/77,064.56 = 18,085.44/x
  3. Step 3: Cross multiply
    51,371.25x = 77,064.56 × 18,085.44
  4. Step 4: Simplify right side
    51,371.25x = 1,393,746,844.12
  5. Step 5: Solve for x
    x = 1,393,746,844.12/51,371.25
  6. Step 6: Final answer
    x = 27,130.87

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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.