Home / 49,333.36-68,081.88-28,112.08

Finding the Fourth Proportional to 49,333.36, 68,081.88 and 28,112.08

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Solution

The fourth proportional to 49,333.36, 68,081.88 and 28,112.08 is: 38,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,333.36 : 68,081.88 = 28,112.08 : x
  2. Step 2: Convert to fraction form
    49,333.36/68,081.88 = 28,112.08/x
  3. Step 3: Cross multiply
    49,333.36x = 68,081.88 × 28,112.08
  4. Step 4: Simplify right side
    49,333.36x = 1,913,923,257.11
  5. Step 5: Solve for x
    x = 1,913,923,257.11/49,333.36
  6. Step 6: Final answer
    x = 38,795.72

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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.