Home / 49,945.01-68,925.13-28,725.64

Finding the Fourth Proportional to 49,945.01, 68,925.13 and 28,725.64

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Solution

The fourth proportional to 49,945.01, 68,925.13 and 28,725.64 is: 39,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.01 : 68,925.13 = 28,725.64 : x
  2. Step 2: Convert to fraction form
    49,945.01/68,925.13 = 28,725.64/x
  3. Step 3: Cross multiply
    49,945.01x = 68,925.13 × 28,725.64
  4. Step 4: Simplify right side
    49,945.01x = 1,979,918,227.21
  5. Step 5: Solve for x
    x = 1,979,918,227.21/49,945.01
  6. Step 6: Final answer
    x = 39,641.97

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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.