Home / 104,772.71-144,589.41-57,029.15

Finding the Fourth Proportional to 104,772.71, 144,589.41 and 57,029.15

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Solution

The fourth proportional to 104,772.71, 144,589.41 and 57,029.15 is: 78,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.71 : 144,589.41 = 57,029.15 : x
  2. Step 2: Convert to fraction form
    104,772.71/144,589.41 = 57,029.15/x
  3. Step 3: Cross multiply
    104,772.71x = 144,589.41 × 57,029.15
  4. Step 4: Simplify right side
    104,772.71x = 8,245,811,151.30
  5. Step 5: Solve for x
    x = 8,245,811,151.30/104,772.71
  6. Step 6: Final answer
    x = 78,701.90

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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.