Home / 47,968.18-66,178.70-27,813.96

Finding the Fourth Proportional to 47,968.18, 66,178.70 and 27,813.96

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Solution

The fourth proportional to 47,968.18, 66,178.70 and 27,813.96 is: 38,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.18 : 66,178.70 = 27,813.96 : x
  2. Step 2: Convert to fraction form
    47,968.18/66,178.70 = 27,813.96/x
  3. Step 3: Cross multiply
    47,968.18x = 66,178.70 × 27,813.96
  4. Step 4: Simplify right side
    47,968.18x = 1,840,691,714.65
  5. Step 5: Solve for x
    x = 1,840,691,714.65/47,968.18
  6. Step 6: Final answer
    x = 38,373.18

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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.