Home / 45,576.12-68,320.44-14,390.04

Finding the Fourth Proportional to 45,576.12, 68,320.44 and 14,390.04

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Solution

The fourth proportional to 45,576.12, 68,320.44 and 14,390.04 is: 21,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576.12 : 68,320.44 = 14,390.04 : x
  2. Step 2: Convert to fraction form
    45,576.12/68,320.44 = 14,390.04/x
  3. Step 3: Cross multiply
    45,576.12x = 68,320.44 × 14,390.04
  4. Step 4: Simplify right side
    45,576.12x = 983,133,864.42
  5. Step 5: Solve for x
    x = 983,133,864.42/45,576.12
  6. Step 6: Final answer
    x = 21,571.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.