Home / 104,972.88-144,821.44-64,616.58

Finding the Fourth Proportional to 104,972.88, 144,821.44 and 64,616.58

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Solution

The fourth proportional to 104,972.88, 144,821.44 and 64,616.58 is: 89,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.88 : 144,821.44 = 64,616.58 : x
  2. Step 2: Convert to fraction form
    104,972.88/144,821.44 = 64,616.58/x
  3. Step 3: Cross multiply
    104,972.88x = 144,821.44 × 64,616.58
  4. Step 4: Simplify right side
    104,972.88x = 9,357,866,163.48
  5. Step 5: Solve for x
    x = 9,357,866,163.48/104,972.88
  6. Step 6: Final answer
    x = 89,145.56

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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.