Home / 79,551.66-109,723.20-50,470.26

Finding the Fourth Proportional to 79,551.66, 109,723.20 and 50,470.26

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Solution

The fourth proportional to 79,551.66, 109,723.20 and 50,470.26 is: 69,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551.66 : 109,723.20 = 50,470.26 : x
  2. Step 2: Convert to fraction form
    79,551.66/109,723.20 = 50,470.26/x
  3. Step 3: Cross multiply
    79,551.66x = 109,723.20 × 50,470.26
  4. Step 4: Simplify right side
    79,551.66x = 5,537,758,432.03
  5. Step 5: Solve for x
    x = 5,537,758,432.03/79,551.66
  6. Step 6: Final answer
    x = 69,612.10

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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.