Home / 104,965.28-144,844.84-59,031.80

Finding the Fourth Proportional to 104,965.28, 144,844.84 and 59,031.80

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Solution

The fourth proportional to 104,965.28, 144,844.84 and 59,031.80 is: 81,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,965.28 : 144,844.84 = 59,031.80 : x
  2. Step 2: Convert to fraction form
    104,965.28/144,844.84 = 59,031.80/x
  3. Step 3: Cross multiply
    104,965.28x = 144,844.84 × 59,031.80
  4. Step 4: Simplify right side
    104,965.28x = 8,550,451,625.91
  5. Step 5: Solve for x
    x = 8,550,451,625.91/104,965.28
  6. Step 6: Final answer
    x = 81,459.81

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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.