Home / 79,125.02-109,192.66-43,317.32

Finding the Fourth Proportional to 79,125.02, 109,192.66 and 43,317.32

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Solution

The fourth proportional to 79,125.02, 109,192.66 and 43,317.32 is: 59,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.02 : 109,192.66 = 43,317.32 : x
  2. Step 2: Convert to fraction form
    79,125.02/109,192.66 = 43,317.32/x
  3. Step 3: Cross multiply
    79,125.02x = 109,192.66 × 43,317.32
  4. Step 4: Simplify right side
    79,125.02x = 4,729,933,394.87
  5. Step 5: Solve for x
    x = 4,729,933,394.87/79,125.02
  6. Step 6: Final answer
    x = 59,777.97

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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.