Home / 113,932.13-171,005.43-57,812.51

Finding the Fourth Proportional to 113,932.13, 171,005.43 and 57,812.51

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Solution

The fourth proportional to 113,932.13, 171,005.43 and 57,812.51 is: 86,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,932.13 : 171,005.43 = 57,812.51 : x
  2. Step 2: Convert to fraction form
    113,932.13/171,005.43 = 57,812.51/x
  3. Step 3: Cross multiply
    113,932.13x = 171,005.43 × 57,812.51
  4. Step 4: Simplify right side
    113,932.13x = 9,886,253,131.93
  5. Step 5: Solve for x
    x = 9,886,253,131.93/113,932.13
  6. Step 6: Final answer
    x = 86,773.18

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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.