Home / 104,619.78-144,372.30-59,301.96

Finding the Fourth Proportional to 104,619.78, 144,372.30 and 59,301.96

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Solution

The fourth proportional to 104,619.78, 144,372.30 and 59,301.96 is: 81,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.78 : 144,372.30 = 59,301.96 : x
  2. Step 2: Convert to fraction form
    104,619.78/144,372.30 = 59,301.96/x
  3. Step 3: Cross multiply
    104,619.78x = 144,372.30 × 59,301.96
  4. Step 4: Simplify right side
    104,619.78x = 8,561,560,359.71
  5. Step 5: Solve for x
    x = 8,561,560,359.71/104,619.78
  6. Step 6: Final answer
    x = 81,835.01

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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.