Home / 79,415.66-109,592.85-43,605.36

Finding the Fourth Proportional to 79,415.66, 109,592.85 and 43,605.36

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Solution

The fourth proportional to 79,415.66, 109,592.85 and 43,605.36 is: 60,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415.66 : 109,592.85 = 43,605.36 : x
  2. Step 2: Convert to fraction form
    79,415.66/109,592.85 = 43,605.36/x
  3. Step 3: Cross multiply
    79,415.66x = 109,592.85 × 43,605.36
  4. Step 4: Simplify right side
    79,415.66x = 4,778,835,129.71
  5. Step 5: Solve for x
    x = 4,778,835,129.71/79,415.66
  6. Step 6: Final answer
    x = 60,174.97

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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.