Home / 95,979.13-132,379.78-70,477.49

Finding the Fourth Proportional to 95,979.13, 132,379.78 and 70,477.49

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Solution

The fourth proportional to 95,979.13, 132,379.78 and 70,477.49 is: 97,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,979.13 : 132,379.78 = 70,477.49 : x
  2. Step 2: Convert to fraction form
    95,979.13/132,379.78 = 70,477.49/x
  3. Step 3: Cross multiply
    95,979.13x = 132,379.78 × 70,477.49
  4. Step 4: Simplify right side
    95,979.13x = 9,329,794,621.15
  5. Step 5: Solve for x
    x = 9,329,794,621.15/95,979.13
  6. Step 6: Final answer
    x = 97,206.49

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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.