Home / 106,727.25-147,271.05-58,977.75

Finding the Fourth Proportional to 106,727.25, 147,271.05 and 58,977.75

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Solution

The fourth proportional to 106,727.25, 147,271.05 and 58,977.75 is: 81,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,727.25 : 147,271.05 = 58,977.75 : x
  2. Step 2: Convert to fraction form
    106,727.25/147,271.05 = 58,977.75/x
  3. Step 3: Cross multiply
    106,727.25x = 147,271.05 × 58,977.75
  4. Step 4: Simplify right side
    106,727.25x = 8,685,715,169.14
  5. Step 5: Solve for x
    x = 8,685,715,169.14/106,727.25
  6. Step 6: Final answer
    x = 81,382.36

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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.