Home / 104,771.71-144,588.03-57,028.15

Finding the Fourth Proportional to 104,771.71, 144,588.03 and 57,028.15

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Solution

The fourth proportional to 104,771.71, 144,588.03 and 57,028.15 is: 78,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,771.71 : 144,588.03 = 57,028.15 : x
  2. Step 2: Convert to fraction form
    104,771.71/144,588.03 = 57,028.15/x
  3. Step 3: Cross multiply
    104,771.71x = 144,588.03 × 57,028.15
  4. Step 4: Simplify right side
    104,771.71x = 8,245,587,863.04
  5. Step 5: Solve for x
    x = 8,245,587,863.04/104,771.71
  6. Step 6: Final answer
    x = 78,700.52

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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.