Home / 62,863.24-86,763-38,984.44

Finding the Fourth Proportional to 62,863.24, 86,763 and 38,984.44

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Solution

The fourth proportional to 62,863.24, 86,763 and 38,984.44 is: 53,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,863.24 : 86,763 = 38,984.44 : x
  2. Step 2: Convert to fraction form
    62,863.24/86,763 = 38,984.44/x
  3. Step 3: Cross multiply
    62,863.24x = 86,763 × 38,984.44
  4. Step 4: Simplify right side
    62,863.24x = 3,382,406,967.72
  5. Step 5: Solve for x
    x = 3,382,406,967.72/62,863.24
  6. Step 6: Final answer
    x = 53,805.80

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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.