Home / 107,967.18-148,991.19-58,906.98

Finding the Fourth Proportional to 107,967.18, 148,991.19 and 58,906.98

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Solution

The fourth proportional to 107,967.18, 148,991.19 and 58,906.98 is: 81,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,967.18 : 148,991.19 = 58,906.98 : x
  2. Step 2: Convert to fraction form
    107,967.18/148,991.19 = 58,906.98/x
  3. Step 3: Cross multiply
    107,967.18x = 148,991.19 × 58,906.98
  4. Step 4: Simplify right side
    107,967.18x = 8,776,621,049.51
  5. Step 5: Solve for x
    x = 8,776,621,049.51/107,967.18
  6. Step 6: Final answer
    x = 81,289.71

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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.