Home / 104,529.46-144,107.84-71,822.88

Finding the Fourth Proportional to 104,529.46, 144,107.84 and 71,822.88

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Solution

The fourth proportional to 104,529.46, 144,107.84 and 71,822.88 is: 99,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,529.46 : 144,107.84 = 71,822.88 : x
  2. Step 2: Convert to fraction form
    104,529.46/144,107.84 = 71,822.88/x
  3. Step 3: Cross multiply
    104,529.46x = 144,107.84 × 71,822.88
  4. Step 4: Simplify right side
    104,529.46x = 10,350,240,099.38
  5. Step 5: Solve for x
    x = 10,350,240,099.38/104,529.46
  6. Step 6: Final answer
    x = 99,017.45

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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.