Home / 79,298.64-109,402.08-50,619.36

Finding the Fourth Proportional to 79,298.64, 109,402.08 and 50,619.36

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Solution

The fourth proportional to 79,298.64, 109,402.08 and 50,619.36 is: 69,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,298.64 : 109,402.08 = 50,619.36 : x
  2. Step 2: Convert to fraction form
    79,298.64/109,402.08 = 50,619.36/x
  3. Step 3: Cross multiply
    79,298.64x = 109,402.08 × 50,619.36
  4. Step 4: Simplify right side
    79,298.64x = 5,537,863,272.27
  5. Step 5: Solve for x
    x = 5,537,863,272.27/79,298.64
  6. Step 6: Final answer
    x = 69,835.54

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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.