Home / 85,015.17-127,429.17-35,067.93

Finding the Fourth Proportional to 85,015.17, 127,429.17 and 35,067.93

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Solution

The fourth proportional to 85,015.17, 127,429.17 and 35,067.93 is: 52,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,015.17 : 127,429.17 = 35,067.93 : x
  2. Step 2: Convert to fraction form
    85,015.17/127,429.17 = 35,067.93/x
  3. Step 3: Cross multiply
    85,015.17x = 127,429.17 × 35,067.93
  4. Step 4: Simplify right side
    85,015.17x = 4,468,677,213.52
  5. Step 5: Solve for x
    x = 4,468,677,213.52/85,015.17
  6. Step 6: Final answer
    x = 52,563.29

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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.