Home / 61,136.24-84,336.96-39,927.92

Finding the Fourth Proportional to 61,136.24, 84,336.96 and 39,927.92

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Solution

The fourth proportional to 61,136.24, 84,336.96 and 39,927.92 is: 55,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.24 : 84,336.96 = 39,927.92 : x
  2. Step 2: Convert to fraction form
    61,136.24/84,336.96 = 39,927.92/x
  3. Step 3: Cross multiply
    61,136.24x = 84,336.96 × 39,927.92
  4. Step 4: Simplify right side
    61,136.24x = 3,367,399,391.92
  5. Step 5: Solve for x
    x = 3,367,399,391.92/61,136.24
  6. Step 6: Final answer
    x = 55,080.25

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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.