Home / 90,016.31-135,012.02-23,451.02

Finding the Fourth Proportional to 90,016.31, 135,012.02 and 23,451.02

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Solution

The fourth proportional to 90,016.31, 135,012.02 and 23,451.02 is: 35,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.31 : 135,012.02 = 23,451.02 : x
  2. Step 2: Convert to fraction form
    90,016.31/135,012.02 = 23,451.02/x
  3. Step 3: Cross multiply
    90,016.31x = 135,012.02 × 23,451.02
  4. Step 4: Simplify right side
    90,016.31x = 3,166,169,295.24
  5. Step 5: Solve for x
    x = 3,166,169,295.24/90,016.31
  6. Step 6: Final answer
    x = 35,173.28

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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.