Home / 65,357.15-98,039.36-18,606.38

Finding the Fourth Proportional to 65,357.15, 98,039.36 and 18,606.38

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Solution

The fourth proportional to 65,357.15, 98,039.36 and 18,606.38 is: 27,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,357.15 : 98,039.36 = 18,606.38 : x
  2. Step 2: Convert to fraction form
    65,357.15/98,039.36 = 18,606.38/x
  3. Step 3: Cross multiply
    65,357.15x = 98,039.36 × 18,606.38
  4. Step 4: Simplify right side
    65,357.15x = 1,824,157,143.44
  5. Step 5: Solve for x
    x = 1,824,157,143.44/65,357.15
  6. Step 6: Final answer
    x = 27,910.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.