Home / 104,425.83-144,107.79-56,679.15

Finding the Fourth Proportional to 104,425.83, 144,107.79 and 56,679.15

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Solution

The fourth proportional to 104,425.83, 144,107.79 and 56,679.15 is: 78,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.83 : 144,107.79 = 56,679.15 : x
  2. Step 2: Convert to fraction form
    104,425.83/144,107.79 = 56,679.15/x
  3. Step 3: Cross multiply
    104,425.83x = 144,107.79 × 56,679.15
  4. Step 4: Simplify right side
    104,425.83x = 8,167,907,045.58
  5. Step 5: Solve for x
    x = 8,167,907,045.58/104,425.83
  6. Step 6: Final answer
    x = 78,217.31

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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.