Home / 79,320.20-109,466.91-52,415.51

Finding the Fourth Proportional to 79,320.20, 109,466.91 and 52,415.51

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Solution

The fourth proportional to 79,320.20, 109,466.91 and 52,415.51 is: 72,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.20 : 109,466.91 = 52,415.51 : x
  2. Step 2: Convert to fraction form
    79,320.20/109,466.91 = 52,415.51/x
  3. Step 3: Cross multiply
    79,320.20x = 109,466.91 × 52,415.51
  4. Step 4: Simplify right side
    79,320.20x = 5,737,763,368.44
  5. Step 5: Solve for x
    x = 5,737,763,368.44/79,320.20
  6. Step 6: Final answer
    x = 72,336.73

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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.