Home / 69,972.30-104,877.14-40,007.57

Finding the Fourth Proportional to 69,972.30, 104,877.14 and 40,007.57

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Solution

The fourth proportional to 69,972.30, 104,877.14 and 40,007.57 is: 59,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.30 : 104,877.14 = 40,007.57 : x
  2. Step 2: Convert to fraction form
    69,972.30/104,877.14 = 40,007.57/x
  3. Step 3: Cross multiply
    69,972.30x = 104,877.14 × 40,007.57
  4. Step 4: Simplify right side
    69,972.30x = 4,195,878,795.53
  5. Step 5: Solve for x
    x = 4,195,878,795.53/69,972.30
  6. Step 6: Final answer
    x = 59,964.85

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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.