Home / 104,441.09-144,128.88-56,694.47

Finding the Fourth Proportional to 104,441.09, 144,128.88 and 56,694.47

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Solution

The fourth proportional to 104,441.09, 144,128.88 and 56,694.47 is: 78,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,441.09 : 144,128.88 = 56,694.47 : x
  2. Step 2: Convert to fraction form
    104,441.09/144,128.88 = 56,694.47/x
  3. Step 3: Cross multiply
    104,441.09x = 144,128.88 × 56,694.47
  4. Step 4: Simplify right side
    104,441.09x = 8,171,309,742.65
  5. Step 5: Solve for x
    x = 8,171,309,742.65/104,441.09
  6. Step 6: Final answer
    x = 78,238.46

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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.