Home / 52,986.15-73,185.53-39,616.59

Finding the Fourth Proportional to 52,986.15, 73,185.53 and 39,616.59

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Solution

The fourth proportional to 52,986.15, 73,185.53 and 39,616.59 is: 54,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.15 : 73,185.53 = 39,616.59 : x
  2. Step 2: Convert to fraction form
    52,986.15/73,185.53 = 39,616.59/x
  3. Step 3: Cross multiply
    52,986.15x = 73,185.53 × 39,616.59
  4. Step 4: Simplify right side
    52,986.15x = 2,899,361,212.31
  5. Step 5: Solve for x
    x = 2,899,361,212.31/52,986.15
  6. Step 6: Final answer
    x = 54,719.23

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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.