Home / 104,806.57-144,633.66-57,059.80

Finding the Fourth Proportional to 104,806.57, 144,633.66 and 57,059.80

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Solution

The fourth proportional to 104,806.57, 144,633.66 and 57,059.80 is: 78,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,806.57 : 144,633.66 = 57,059.80 : x
  2. Step 2: Convert to fraction form
    104,806.57/144,633.66 = 57,059.80/x
  3. Step 3: Cross multiply
    104,806.57x = 144,633.66 × 57,059.80
  4. Step 4: Simplify right side
    104,806.57x = 8,252,767,712.87
  5. Step 5: Solve for x
    x = 8,252,767,712.87/104,806.57
  6. Step 6: Final answer
    x = 78,742.85

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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.