Home / 95,721.78-132,093.81-53,279.40

Finding the Fourth Proportional to 95,721.78, 132,093.81 and 53,279.40

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Solution

The fourth proportional to 95,721.78, 132,093.81 and 53,279.40 is: 73,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,721.78 : 132,093.81 = 53,279.40 : x
  2. Step 2: Convert to fraction form
    95,721.78/132,093.81 = 53,279.40/x
  3. Step 3: Cross multiply
    95,721.78x = 132,093.81 × 53,279.40
  4. Step 4: Simplify right side
    95,721.78x = 7,037,878,940.51
  5. Step 5: Solve for x
    x = 7,037,878,940.51/95,721.78
  6. Step 6: Final answer
    x = 73,524.32

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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.