Home / 104,772.46-144,589.06-57,028.90

Finding the Fourth Proportional to 104,772.46, 144,589.06 and 57,028.90

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Solution

The fourth proportional to 104,772.46, 144,589.06 and 57,028.90 is: 78,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.46 : 144,589.06 = 57,028.90 : x
  2. Step 2: Convert to fraction form
    104,772.46/144,589.06 = 57,028.90/x
  3. Step 3: Cross multiply
    104,772.46x = 144,589.06 × 57,028.90
  4. Step 4: Simplify right side
    104,772.46x = 8,245,755,043.83
  5. Step 5: Solve for x
    x = 8,245,755,043.83/104,772.46
  6. Step 6: Final answer
    x = 78,701.55

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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.