Home / 104,561.91-144,296.30-56,815.26

Finding the Fourth Proportional to 104,561.91, 144,296.30 and 56,815.26

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Solution

The fourth proportional to 104,561.91, 144,296.30 and 56,815.26 is: 78,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.91 : 144,296.30 = 56,815.26 : x
  2. Step 2: Convert to fraction form
    104,561.91/144,296.30 = 56,815.26/x
  3. Step 3: Cross multiply
    104,561.91x = 144,296.30 × 56,815.26
  4. Step 4: Simplify right side
    104,561.91x = 8,198,231,517.46
  5. Step 5: Solve for x
    x = 8,198,231,517.46/104,561.91
  6. Step 6: Final answer
    x = 78,405.53

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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.