Home / 104,328.82-143,951.61-61,901.14

Finding the Fourth Proportional to 104,328.82, 143,951.61 and 61,901.14

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Solution

The fourth proportional to 104,328.82, 143,951.61 and 61,901.14 is: 85,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328.82 : 143,951.61 = 61,901.14 : x
  2. Step 2: Convert to fraction form
    104,328.82/143,951.61 = 61,901.14/x
  3. Step 3: Cross multiply
    104,328.82x = 143,951.61 × 61,901.14
  4. Step 4: Simplify right side
    104,328.82x = 8,910,768,763.84
  5. Step 5: Solve for x
    x = 8,910,768,763.84/104,328.82
  6. Step 6: Final answer
    x = 85,410.42

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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.