Home / 104,982.60-144,876.06-57,236.04

Finding the Fourth Proportional to 104,982.60, 144,876.06 and 57,236.04

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Solution

The fourth proportional to 104,982.60, 144,876.06 and 57,236.04 is: 78,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,982.60 : 144,876.06 = 57,236.04 : x
  2. Step 2: Convert to fraction form
    104,982.60/144,876.06 = 57,236.04/x
  3. Step 3: Cross multiply
    104,982.60x = 144,876.06 × 57,236.04
  4. Step 4: Simplify right side
    104,982.60x = 8,292,131,965.20
  5. Step 5: Solve for x
    x = 8,292,131,965.20/104,982.60
  6. Step 6: Final answer
    x = 78,985.77

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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.