Home / 49,140-67,813.20-26,785.44

Finding the Fourth Proportional to 49,140, 67,813.20 and 26,785.44

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Solution

The fourth proportional to 49,140, 67,813.20 and 26,785.44 is: 36,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,140 : 67,813.20 = 26,785.44 : x
  2. Step 2: Convert to fraction form
    49,140/67,813.20 = 26,785.44/x
  3. Step 3: Cross multiply
    49,140x = 67,813.20 × 26,785.44
  4. Step 4: Simplify right side
    49,140x = 1,816,406,399.81
  5. Step 5: Solve for x
    x = 1,816,406,399.81/49,140
  6. Step 6: Final answer
    x = 36,963.91

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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.