Home / 104,817.57-144,648.42-57,071.12

Finding the Fourth Proportional to 104,817.57, 144,648.42 and 57,071.12

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Solution

The fourth proportional to 104,817.57, 144,648.42 and 57,071.12 is: 78,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,817.57 : 144,648.42 = 57,071.12 : x
  2. Step 2: Convert to fraction form
    104,817.57/144,648.42 = 57,071.12/x
  3. Step 3: Cross multiply
    104,817.57x = 144,648.42 × 57,071.12
  4. Step 4: Simplify right side
    104,817.57x = 8,255,246,612.39
  5. Step 5: Solve for x
    x = 8,255,246,612.39/104,817.57
  6. Step 6: Final answer
    x = 78,758.23

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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.