Home / 104,902.88-144,765.97-57,156.23

Finding the Fourth Proportional to 104,902.88, 144,765.97 and 57,156.23

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Solution

The fourth proportional to 104,902.88, 144,765.97 and 57,156.23 is: 78,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,902.88 : 144,765.97 = 57,156.23 : x
  2. Step 2: Convert to fraction form
    104,902.88/144,765.97 = 57,156.23/x
  3. Step 3: Cross multiply
    104,902.88x = 144,765.97 × 57,156.23
  4. Step 4: Simplify right side
    104,902.88x = 8,274,276,803.71
  5. Step 5: Solve for x
    x = 8,274,276,803.71/104,902.88
  6. Step 6: Final answer
    x = 78,875.59

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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.