Home / 68,981.50-103,566.84-35,724.52

Finding the Fourth Proportional to 68,981.50, 103,566.84 and 35,724.52

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Solution

The fourth proportional to 68,981.50, 103,566.84 and 35,724.52 is: 53,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,981.50 : 103,566.84 = 35,724.52 : x
  2. Step 2: Convert to fraction form
    68,981.50/103,566.84 = 35,724.52/x
  3. Step 3: Cross multiply
    68,981.50x = 103,566.84 × 35,724.52
  4. Step 4: Simplify right side
    68,981.50x = 3,699,875,646.92
  5. Step 5: Solve for x
    x = 3,699,875,646.92/68,981.50
  6. Step 6: Final answer
    x = 53,635.77

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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.