Home / 74,530.79-102,843.13-50,384.28

Finding the Fourth Proportional to 74,530.79, 102,843.13 and 50,384.28

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Solution

The fourth proportional to 74,530.79, 102,843.13 and 50,384.28 is: 69,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,530.79 : 102,843.13 = 50,384.28 : x
  2. Step 2: Convert to fraction form
    74,530.79/102,843.13 = 50,384.28/x
  3. Step 3: Cross multiply
    74,530.79x = 102,843.13 × 50,384.28
  4. Step 4: Simplify right side
    74,530.79x = 5,181,676,735.32
  5. Step 5: Solve for x
    x = 5,181,676,735.32/74,530.79
  6. Step 6: Final answer
    x = 69,523.98

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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.