Home / 52,702.58-72,732.20-31,204.64

Finding the Fourth Proportional to 52,702.58, 72,732.20 and 31,204.64

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Solution

The fourth proportional to 52,702.58, 72,732.20 and 31,204.64 is: 43,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.58 : 72,732.20 = 31,204.64 : x
  2. Step 2: Convert to fraction form
    52,702.58/72,732.20 = 31,204.64/x
  3. Step 3: Cross multiply
    52,702.58x = 72,732.20 × 31,204.64
  4. Step 4: Simplify right side
    52,702.58x = 2,269,582,143.22
  5. Step 5: Solve for x
    x = 2,269,582,143.22/52,702.58
  6. Step 6: Final answer
    x = 43,063.96

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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.