Home / 91,713.06-137,610.18-58,424.58

Finding the Fourth Proportional to 91,713.06, 137,610.18 and 58,424.58

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Solution

The fourth proportional to 91,713.06, 137,610.18 and 58,424.58 is: 87,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713.06 : 137,610.18 = 58,424.58 : x
  2. Step 2: Convert to fraction form
    91,713.06/137,610.18 = 58,424.58/x
  3. Step 3: Cross multiply
    91,713.06x = 137,610.18 × 58,424.58
  4. Step 4: Simplify right side
    91,713.06x = 8,039,816,970.22
  5. Step 5: Solve for x
    x = 8,039,816,970.22/91,713.06
  6. Step 6: Final answer
    x = 87,662.73

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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.