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Finding the Fourth Proportional to 85,026, 127,519.02 and 35,056.56

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Solution

The fourth proportional to 85,026, 127,519.02 and 35,056.56 is: 52,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,026 : 127,519.02 = 35,056.56 : x
  2. Step 2: Convert to fraction form
    85,026/127,519.02 = 35,056.56/x
  3. Step 3: Cross multiply
    85,026x = 127,519.02 × 35,056.56
  4. Step 4: Simplify right side
    85,026x = 4,470,378,175.77
  5. Step 5: Solve for x
    x = 4,470,378,175.77/85,026
  6. Step 6: Final answer
    x = 52,576.60

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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.