Home / 67,981.20-102,036.66-41,737.20

Finding the Fourth Proportional to 67,981.20, 102,036.66 and 41,737.20

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Solution

The fourth proportional to 67,981.20, 102,036.66 and 41,737.20 is: 62,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,981.20 : 102,036.66 = 41,737.20 : x
  2. Step 2: Convert to fraction form
    67,981.20/102,036.66 = 41,737.20/x
  3. Step 3: Cross multiply
    67,981.20x = 102,036.66 × 41,737.20
  4. Step 4: Simplify right side
    67,981.20x = 4,258,724,485.75
  5. Step 5: Solve for x
    x = 4,258,724,485.75/67,981.20
  6. Step 6: Final answer
    x = 62,645.62

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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.