Home / 79,427.06-109,610.05-43,617.32

Finding the Fourth Proportional to 79,427.06, 109,610.05 and 43,617.32

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Solution

The fourth proportional to 79,427.06, 109,610.05 and 43,617.32 is: 60,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.06 : 109,610.05 = 43,617.32 : x
  2. Step 2: Convert to fraction form
    79,427.06/109,610.05 = 43,617.32/x
  3. Step 3: Cross multiply
    79,427.06x = 109,610.05 × 43,617.32
  4. Step 4: Simplify right side
    79,427.06x = 4,780,896,862.87
  5. Step 5: Solve for x
    x = 4,780,896,862.87/79,427.06
  6. Step 6: Final answer
    x = 60,192.30

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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.