Home / 113,935.88-171,011.06-57,816.26

Finding the Fourth Proportional to 113,935.88, 171,011.06 and 57,816.26

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Solution

The fourth proportional to 113,935.88, 171,011.06 and 57,816.26 is: 86,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,935.88 : 171,011.06 = 57,816.26 : x
  2. Step 2: Convert to fraction form
    113,935.88/171,011.06 = 57,816.26/x
  3. Step 3: Cross multiply
    113,935.88x = 171,011.06 × 57,816.26
  4. Step 4: Simplify right side
    113,935.88x = 9,887,219,907.84
  5. Step 5: Solve for x
    x = 9,887,219,907.84/113,935.88
  6. Step 6: Final answer
    x = 86,778.81

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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.