Home / 71,132.37-98,164.62-39,303.30

Finding the Fourth Proportional to 71,132.37, 98,164.62 and 39,303.30

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Solution

The fourth proportional to 71,132.37, 98,164.62 and 39,303.30 is: 54,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132.37 : 98,164.62 = 39,303.30 : x
  2. Step 2: Convert to fraction form
    71,132.37/98,164.62 = 39,303.30/x
  3. Step 3: Cross multiply
    71,132.37x = 98,164.62 × 39,303.30
  4. Step 4: Simplify right side
    71,132.37x = 3,858,193,509.25
  5. Step 5: Solve for x
    x = 3,858,193,509.25/71,132.37
  6. Step 6: Final answer
    x = 54,239.63

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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.