Home / 45,905.64-68,841.18-36,159.72

Finding the Fourth Proportional to 45,905.64, 68,841.18 and 36,159.72

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Solution

The fourth proportional to 45,905.64, 68,841.18 and 36,159.72 is: 54,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.64 : 68,841.18 = 36,159.72 : x
  2. Step 2: Convert to fraction form
    45,905.64/68,841.18 = 36,159.72/x
  3. Step 3: Cross multiply
    45,905.64x = 68,841.18 × 36,159.72
  4. Step 4: Simplify right side
    45,905.64x = 2,489,277,793.27
  5. Step 5: Solve for x
    x = 2,489,277,793.27/45,905.64
  6. Step 6: Final answer
    x = 54,225.97

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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.