Home / 86,822.95-119,777.65-50,996.81

Finding the Fourth Proportional to 86,822.95, 119,777.65 and 50,996.81

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Solution

The fourth proportional to 86,822.95, 119,777.65 and 50,996.81 is: 70,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,822.95 : 119,777.65 = 50,996.81 : x
  2. Step 2: Convert to fraction form
    86,822.95/119,777.65 = 50,996.81/x
  3. Step 3: Cross multiply
    86,822.95x = 119,777.65 × 50,996.81
  4. Step 4: Simplify right side
    86,822.95x = 6,108,278,059.30
  5. Step 5: Solve for x
    x = 6,108,278,059.30/86,822.95
  6. Step 6: Final answer
    x = 70,353.27

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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.