Home / 79,331.18-109,477.86-43,520.27

Finding the Fourth Proportional to 79,331.18, 109,477.86 and 43,520.27

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Solution

The fourth proportional to 79,331.18, 109,477.86 and 43,520.27 is: 60,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.18 : 109,477.86 = 43,520.27 : x
  2. Step 2: Convert to fraction form
    79,331.18/109,477.86 = 43,520.27/x
  3. Step 3: Cross multiply
    79,331.18x = 109,477.86 × 43,520.27
  4. Step 4: Simplify right side
    79,331.18x = 4,764,506,026.22
  5. Step 5: Solve for x
    x = 4,764,506,026.22/79,331.18
  6. Step 6: Final answer
    x = 60,058.43

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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.