Home / 106,517.02-146,991.09-58,774.90

Finding the Fourth Proportional to 106,517.02, 146,991.09 and 58,774.90

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Solution

The fourth proportional to 106,517.02, 146,991.09 and 58,774.90 is: 81,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,517.02 : 146,991.09 = 58,774.90 : x
  2. Step 2: Convert to fraction form
    106,517.02/146,991.09 = 58,774.90/x
  3. Step 3: Cross multiply
    106,517.02x = 146,991.09 × 58,774.90
  4. Step 4: Simplify right side
    106,517.02x = 8,639,386,615.64
  5. Step 5: Solve for x
    x = 8,639,386,615.64/106,517.02
  6. Step 6: Final answer
    x = 81,108.04

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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.