Home / 66,420.02-99,519.30-54,610.22

Finding the Fourth Proportional to 66,420.02, 99,519.30 and 54,610.22

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Solution

The fourth proportional to 66,420.02, 99,519.30 and 54,610.22 is: 81,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,420.02 : 99,519.30 = 54,610.22 : x
  2. Step 2: Convert to fraction form
    66,420.02/99,519.30 = 54,610.22/x
  3. Step 3: Cross multiply
    66,420.02x = 99,519.30 × 54,610.22
  4. Step 4: Simplify right side
    66,420.02x = 5,434,770,867.25
  5. Step 5: Solve for x
    x = 5,434,770,867.25/66,420.02
  6. Step 6: Final answer
    x = 81,824.29

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1.5x scale

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.