Home / 64,875.20-97,305.60-18,132.80

Finding the Fourth Proportional to 64,875.20, 97,305.60 and 18,132.80

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Solution

The fourth proportional to 64,875.20, 97,305.60 and 18,132.80 is: 27,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.20 : 97,305.60 = 18,132.80 : x
  2. Step 2: Convert to fraction form
    64,875.20/97,305.60 = 18,132.80/x
  3. Step 3: Cross multiply
    64,875.20x = 97,305.60 × 18,132.80
  4. Step 4: Simplify right side
    64,875.20x = 1,764,422,983.68
  5. Step 5: Solve for x
    x = 1,764,422,983.68/64,875.20
  6. Step 6: Final answer
    x = 27,197.19

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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.