Home / 68,815.50-94,966.83-39,007.50

Finding the Fourth Proportional to 68,815.50, 94,966.83 and 39,007.50

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Solution

The fourth proportional to 68,815.50, 94,966.83 and 39,007.50 is: 53,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,815.50 : 94,966.83 = 39,007.50 : x
  2. Step 2: Convert to fraction form
    68,815.50/94,966.83 = 39,007.50/x
  3. Step 3: Cross multiply
    68,815.50x = 94,966.83 × 39,007.50
  4. Step 4: Simplify right side
    68,815.50x = 3,704,418,621.23
  5. Step 5: Solve for x
    x = 3,704,418,621.23/68,815.50
  6. Step 6: Final answer
    x = 53,831.17

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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.