Home / 79,350.86-109,508.27-47,538.20

Finding the Fourth Proportional to 79,350.86, 109,508.27 and 47,538.20

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Solution

The fourth proportional to 79,350.86, 109,508.27 and 47,538.20 is: 65,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.86 : 109,508.27 = 47,538.20 : x
  2. Step 2: Convert to fraction form
    79,350.86/109,508.27 = 47,538.20/x
  3. Step 3: Cross multiply
    79,350.86x = 109,508.27 × 47,538.20
  4. Step 4: Simplify right side
    79,350.86x = 5,205,825,255.68
  5. Step 5: Solve for x
    x = 5,205,825,255.68/79,350.86
  6. Step 6: Final answer
    x = 65,605.16

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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.