Home / 104,981.24-144,876.12-57,236.60

Finding the Fourth Proportional to 104,981.24, 144,876.12 and 57,236.60

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Solution

The fourth proportional to 104,981.24, 144,876.12 and 57,236.60 is: 78,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.24 : 144,876.12 = 57,236.60 : x
  2. Step 2: Convert to fraction form
    104,981.24/144,876.12 = 57,236.60/x
  3. Step 3: Cross multiply
    104,981.24x = 144,876.12 × 57,236.60
  4. Step 4: Simplify right side
    104,981.24x = 8,292,216,529.99
  5. Step 5: Solve for x
    x = 8,292,216,529.99/104,981.24
  6. Step 6: Final answer
    x = 78,987.60

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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.