Home / 107,892.15-161,922.98-74,844.77

Finding the Fourth Proportional to 107,892.15, 161,922.98 and 74,844.77

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Solution

The fourth proportional to 107,892.15, 161,922.98 and 74,844.77 is: 112,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892.15 : 161,922.98 = 74,844.77 : x
  2. Step 2: Convert to fraction form
    107,892.15/161,922.98 = 74,844.77/x
  3. Step 3: Cross multiply
    107,892.15x = 161,922.98 × 74,844.77
  4. Step 4: Simplify right side
    107,892.15x = 12,119,087,821.59
  5. Step 5: Solve for x
    x = 12,119,087,821.59/107,892.15
  6. Step 6: Final answer
    x = 112,325.95

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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.