Home / 91,178.35-125,892.80-58,932.06

Finding the Fourth Proportional to 91,178.35, 125,892.80 and 58,932.06

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Solution

The fourth proportional to 91,178.35, 125,892.80 and 58,932.06 is: 81,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,178.35 : 125,892.80 = 58,932.06 : x
  2. Step 2: Convert to fraction form
    91,178.35/125,892.80 = 58,932.06/x
  3. Step 3: Cross multiply
    91,178.35x = 125,892.80 × 58,932.06
  4. Step 4: Simplify right side
    91,178.35x = 7,419,121,748.51
  5. Step 5: Solve for x
    x = 7,419,121,748.51/91,178.35
  6. Step 6: Final answer
    x = 81,369.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.