Home / 113,936.64-171,012.18-57,817.02

Finding the Fourth Proportional to 113,936.64, 171,012.18 and 57,817.02

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Solution

The fourth proportional to 113,936.64, 171,012.18 and 57,817.02 is: 86,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,936.64 : 171,012.18 = 57,817.02 : x
  2. Step 2: Convert to fraction form
    113,936.64/171,012.18 = 57,817.02/x
  3. Step 3: Cross multiply
    113,936.64x = 171,012.18 × 57,817.02
  4. Step 4: Simplify right side
    113,936.64x = 9,887,414,631.30
  5. Step 5: Solve for x
    x = 9,887,414,631.30/113,936.64
  6. Step 6: Final answer
    x = 86,779.94

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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.