Home / 65,086.02-97,629.84-20,712.60

Finding the Fourth Proportional to 65,086.02, 97,629.84 and 20,712.60

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Solution

The fourth proportional to 65,086.02, 97,629.84 and 20,712.60 is: 31,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,086.02 : 97,629.84 = 20,712.60 : x
  2. Step 2: Convert to fraction form
    65,086.02/97,629.84 = 20,712.60/x
  3. Step 3: Cross multiply
    65,086.02x = 97,629.84 × 20,712.60
  4. Step 4: Simplify right side
    65,086.02x = 2,022,167,823.98
  5. Step 5: Solve for x
    x = 2,022,167,823.98/65,086.02
  6. Step 6: Final answer
    x = 31,069.16

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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.