Home / 104,836.16-144,668.88-57,089.22

Finding the Fourth Proportional to 104,836.16, 144,668.88 and 57,089.22

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Solution

The fourth proportional to 104,836.16, 144,668.88 and 57,089.22 is: 78,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,836.16 : 144,668.88 = 57,089.22 : x
  2. Step 2: Convert to fraction form
    104,836.16/144,668.88 = 57,089.22/x
  3. Step 3: Cross multiply
    104,836.16x = 144,668.88 × 57,089.22
  4. Step 4: Simplify right side
    104,836.16x = 8,259,033,517.47
  5. Step 5: Solve for x
    x = 8,259,033,517.47/104,836.16
  6. Step 6: Final answer
    x = 78,780.39

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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.