Home / 79,556.68-109,730.08-50,475.28

Finding the Fourth Proportional to 79,556.68, 109,730.08 and 50,475.28

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Solution

The fourth proportional to 79,556.68, 109,730.08 and 50,475.28 is: 69,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,556.68 : 109,730.08 = 50,475.28 : x
  2. Step 2: Convert to fraction form
    79,556.68/109,730.08 = 50,475.28/x
  3. Step 3: Cross multiply
    79,556.68x = 109,730.08 × 50,475.28
  4. Step 4: Simplify right side
    79,556.68x = 5,538,656,512.42
  5. Step 5: Solve for x
    x = 5,538,656,512.42/79,556.68
  6. Step 6: Final answer
    x = 69,619.00

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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.