Home / 53,813.95-80,720.99-25,727.40

Finding the Fourth Proportional to 53,813.95, 80,720.99 and 25,727.40

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Solution

The fourth proportional to 53,813.95, 80,720.99 and 25,727.40 is: 38,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.95 : 80,720.99 = 25,727.40 : x
  2. Step 2: Convert to fraction form
    53,813.95/80,720.99 = 25,727.40/x
  3. Step 3: Cross multiply
    53,813.95x = 80,720.99 × 25,727.40
  4. Step 4: Simplify right side
    53,813.95x = 2,076,741,198.13
  5. Step 5: Solve for x
    x = 2,076,741,198.13/53,813.95
  6. Step 6: Final answer
    x = 38,591.13

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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.