Home / 66,027.90-98,889.98-54,218.10

Finding the Fourth Proportional to 66,027.90, 98,889.98 and 54,218.10

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Solution

The fourth proportional to 66,027.90, 98,889.98 and 54,218.10 is: 81,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027.90 : 98,889.98 = 54,218.10 : x
  2. Step 2: Convert to fraction form
    66,027.90/98,889.98 = 54,218.10/x
  3. Step 3: Cross multiply
    66,027.90x = 98,889.98 × 54,218.10
  4. Step 4: Simplify right side
    66,027.90x = 5,361,626,553.55
  5. Step 5: Solve for x
    x = 5,361,626,553.55/66,027.90
  6. Step 6: Final answer
    x = 81,202.44

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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.