Home / 102,917.77-154,376.29-67,601.95

Finding the Fourth Proportional to 102,917.77, 154,376.29 and 67,601.95

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Solution

The fourth proportional to 102,917.77, 154,376.29 and 67,601.95 is: 101,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,917.77 : 154,376.29 = 67,601.95 : x
  2. Step 2: Convert to fraction form
    102,917.77/154,376.29 = 67,601.95/x
  3. Step 3: Cross multiply
    102,917.77x = 154,376.29 × 67,601.95
  4. Step 4: Simplify right side
    102,917.77x = 10,436,137,936.33
  5. Step 5: Solve for x
    x = 10,436,137,936.33/102,917.77
  6. Step 6: Final answer
    x = 101,402.68

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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.