Home / 48,133.46-72,209.91-16,990.58

Finding the Fourth Proportional to 48,133.46, 72,209.91 and 16,990.58

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Solution

The fourth proportional to 48,133.46, 72,209.91 and 16,990.58 is: 25,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133.46 : 72,209.91 = 16,990.58 : x
  2. Step 2: Convert to fraction form
    48,133.46/72,209.91 = 16,990.58/x
  3. Step 3: Cross multiply
    48,133.46x = 72,209.91 × 16,990.58
  4. Step 4: Simplify right side
    48,133.46x = 1,226,888,252.65
  5. Step 5: Solve for x
    x = 1,226,888,252.65/48,133.46
  6. Step 6: Final answer
    x = 25,489.30

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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.