Home / 106,979.40-147,633.86-58,583.36

Finding the Fourth Proportional to 106,979.40, 147,633.86 and 58,583.36

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Solution

The fourth proportional to 106,979.40, 147,633.86 and 58,583.36 is: 80,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,979.40 : 147,633.86 = 58,583.36 : x
  2. Step 2: Convert to fraction form
    106,979.40/147,633.86 = 58,583.36/x
  3. Step 3: Cross multiply
    106,979.40x = 147,633.86 × 58,583.36
  4. Step 4: Simplify right side
    106,979.40x = 8,648,887,568.57
  5. Step 5: Solve for x
    x = 8,648,887,568.57/106,979.40
  6. Step 6: Final answer
    x = 80,846.29

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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.