Home / 49,614.15-68,468.84-28,400.25

Finding the Fourth Proportional to 49,614.15, 68,468.84 and 28,400.25

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Solution

The fourth proportional to 49,614.15, 68,468.84 and 28,400.25 is: 39,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,614.15 : 68,468.84 = 28,400.25 : x
  2. Step 2: Convert to fraction form
    49,614.15/68,468.84 = 28,400.25/x
  3. Step 3: Cross multiply
    49,614.15x = 68,468.84 × 28,400.25
  4. Step 4: Simplify right side
    49,614.15x = 1,944,532,554.22
  5. Step 5: Solve for x
    x = 1,944,532,554.22/49,614.15
  6. Step 6: Final answer
    x = 39,193.10

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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.