Home / 106,078.32-146,391.84-58,335.36

Finding the Fourth Proportional to 106,078.32, 146,391.84 and 58,335.36

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Solution

The fourth proportional to 106,078.32, 146,391.84 and 58,335.36 is: 80,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,078.32 : 146,391.84 = 58,335.36 : x
  2. Step 2: Convert to fraction form
    106,078.32/146,391.84 = 58,335.36/x
  3. Step 3: Cross multiply
    106,078.32x = 146,391.84 × 58,335.36
  4. Step 4: Simplify right side
    106,078.32x = 8,539,820,687.46
  5. Step 5: Solve for x
    x = 8,539,820,687.46/106,078.32
  6. Step 6: Final answer
    x = 80,504.86

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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.