Home / 45,979.86-68,932.58-14,373.65

Finding the Fourth Proportional to 45,979.86, 68,932.58 and 14,373.65

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Solution

The fourth proportional to 45,979.86, 68,932.58 and 14,373.65 is: 21,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.86 : 68,932.58 = 14,373.65 : x
  2. Step 2: Convert to fraction form
    45,979.86/68,932.58 = 14,373.65/x
  3. Step 3: Cross multiply
    45,979.86x = 68,932.58 × 14,373.65
  4. Step 4: Simplify right side
    45,979.86x = 990,812,878.98
  5. Step 5: Solve for x
    x = 990,812,878.98/45,979.86
  6. Step 6: Final answer
    x = 21,548.84

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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.