Home / 74,866.20-103,231.44-51,006.84

Finding the Fourth Proportional to 74,866.20, 103,231.44 and 51,006.84

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Solution

The fourth proportional to 74,866.20, 103,231.44 and 51,006.84 is: 70,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,866.20 : 103,231.44 = 51,006.84 : x
  2. Step 2: Convert to fraction form
    74,866.20/103,231.44 = 51,006.84/x
  3. Step 3: Cross multiply
    74,866.20x = 103,231.44 × 51,006.84
  4. Step 4: Simplify right side
    74,866.20x = 5,265,509,543.05
  5. Step 5: Solve for x
    x = 5,265,509,543.05/74,866.20
  6. Step 6: Final answer
    x = 70,332.27

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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.