Home / 106,976.39-147,629.72-58,580.36

Finding the Fourth Proportional to 106,976.39, 147,629.72 and 58,580.36

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Solution

The fourth proportional to 106,976.39, 147,629.72 and 58,580.36 is: 80,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.39 : 147,629.72 = 58,580.36 : x
  2. Step 2: Convert to fraction form
    106,976.39/147,629.72 = 58,580.36/x
  3. Step 3: Cross multiply
    106,976.39x = 147,629.72 × 58,580.36
  4. Step 4: Simplify right side
    106,976.39x = 8,648,202,144.30
  5. Step 5: Solve for x
    x = 8,648,202,144.30/106,976.39
  6. Step 6: Final answer
    x = 80,842.16

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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.