Home / 79,518.58-109,737.66-43,709.50

Finding the Fourth Proportional to 79,518.58, 109,737.66 and 43,709.50

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Solution

The fourth proportional to 79,518.58, 109,737.66 and 43,709.50 is: 60,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,518.58 : 109,737.66 = 43,709.50 : x
  2. Step 2: Convert to fraction form
    79,518.58/109,737.66 = 43,709.50/x
  3. Step 3: Cross multiply
    79,518.58x = 109,737.66 × 43,709.50
  4. Step 4: Simplify right side
    79,518.58x = 4,796,578,249.77
  5. Step 5: Solve for x
    x = 4,796,578,249.77/79,518.58
  6. Step 6: Final answer
    x = 60,320.22

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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.