Home / 53,813.80-80,720.78-25,727.25

Finding the Fourth Proportional to 53,813.80, 80,720.78 and 25,727.25

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Solution

The fourth proportional to 53,813.80, 80,720.78 and 25,727.25 is: 38,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.80 : 80,720.78 = 25,727.25 : x
  2. Step 2: Convert to fraction form
    53,813.80/80,720.78 = 25,727.25/x
  3. Step 3: Cross multiply
    53,813.80x = 80,720.78 × 25,727.25
  4. Step 4: Simplify right side
    53,813.80x = 2,076,723,687.26
  5. Step 5: Solve for x
    x = 2,076,723,687.26/53,813.80
  6. Step 6: Final answer
    x = 38,590.91

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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.