Home / 95,979.25-132,443.06-61,989.22

Finding the Fourth Proportional to 95,979.25, 132,443.06 and 61,989.22

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Solution

The fourth proportional to 95,979.25, 132,443.06 and 61,989.22 is: 85,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,979.25 : 132,443.06 = 61,989.22 : x
  2. Step 2: Convert to fraction form
    95,979.25/132,443.06 = 61,989.22/x
  3. Step 3: Cross multiply
    95,979.25x = 132,443.06 × 61,989.22
  4. Step 4: Simplify right side
    95,979.25x = 8,210,041,983.81
  5. Step 5: Solve for x
    x = 8,210,041,983.81/95,979.25
  6. Step 6: Final answer
    x = 85,539.76

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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.