Home / 102,026.28-140,795.28-56,704.44

Finding the Fourth Proportional to 102,026.28, 140,795.28 and 56,704.44

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Solution

The fourth proportional to 102,026.28, 140,795.28 and 56,704.44 is: 78,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,026.28 : 140,795.28 = 56,704.44 : x
  2. Step 2: Convert to fraction form
    102,026.28/140,795.28 = 56,704.44/x
  3. Step 3: Cross multiply
    102,026.28x = 140,795.28 × 56,704.44
  4. Step 4: Simplify right side
    102,026.28x = 7,983,717,507.04
  5. Step 5: Solve for x
    x = 7,983,717,507.04/102,026.28
  6. Step 6: Final answer
    x = 78,251.58

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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.