Home / 79,276.16-109,399.86-43,466.48

Finding the Fourth Proportional to 79,276.16, 109,399.86 and 43,466.48

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Solution

The fourth proportional to 79,276.16, 109,399.86 and 43,466.48 is: 59,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276.16 : 109,399.86 = 43,466.48 : x
  2. Step 2: Convert to fraction form
    79,276.16/109,399.86 = 43,466.48/x
  3. Step 3: Cross multiply
    79,276.16x = 109,399.86 × 43,466.48
  4. Step 4: Simplify right side
    79,276.16x = 4,755,226,826.69
  5. Step 5: Solve for x
    x = 4,755,226,826.69/79,276.16
  6. Step 6: Final answer
    x = 59,983.06

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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.