Home / 52,691.42-72,714.22-28,818.02

Finding the Fourth Proportional to 52,691.42, 72,714.22 and 28,818.02

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Solution

The fourth proportional to 52,691.42, 72,714.22 and 28,818.02 is: 39,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.42 : 72,714.22 = 28,818.02 : x
  2. Step 2: Convert to fraction form
    52,691.42/72,714.22 = 28,818.02/x
  3. Step 3: Cross multiply
    52,691.42x = 72,714.22 × 28,818.02
  4. Step 4: Simplify right side
    52,691.42x = 2,095,479,846.24
  5. Step 5: Solve for x
    x = 2,095,479,846.24/52,691.42
  6. Step 6: Final answer
    x = 39,768.90

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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.