Home / 49,338.10-74,007.15-47,369.80

Finding the Fourth Proportional to 49,338.10, 74,007.15 and 47,369.80

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Solution

The fourth proportional to 49,338.10, 74,007.15 and 47,369.80 is: 71,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338.10 : 74,007.15 = 47,369.80 : x
  2. Step 2: Convert to fraction form
    49,338.10/74,007.15 = 47,369.80/x
  3. Step 3: Cross multiply
    49,338.10x = 74,007.15 × 47,369.80
  4. Step 4: Simplify right side
    49,338.10x = 3,505,703,894.07
  5. Step 5: Solve for x
    x = 3,505,703,894.07/49,338.10
  6. Step 6: Final answer
    x = 71,054.70

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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.