Home / 49,686.30-74,420.10-44,145.90

Finding the Fourth Proportional to 49,686.30, 74,420.10 and 44,145.90

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Solution

The fourth proportional to 49,686.30, 74,420.10 and 44,145.90 is: 66,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.30 : 74,420.10 = 44,145.90 : x
  2. Step 2: Convert to fraction form
    49,686.30/74,420.10 = 44,145.90/x
  3. Step 3: Cross multiply
    49,686.30x = 74,420.10 × 44,145.90
  4. Step 4: Simplify right side
    49,686.30x = 3,285,342,292.59
  5. Step 5: Solve for x
    x = 3,285,342,292.59/49,686.30
  6. Step 6: Final answer
    x = 66,121.69

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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.