Home / 66,542.10-99,892.12-52,512.18

Finding the Fourth Proportional to 66,542.10, 99,892.12 and 52,512.18

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Solution

The fourth proportional to 66,542.10, 99,892.12 and 52,512.18 is: 78,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542.10 : 99,892.12 = 52,512.18 : x
  2. Step 2: Convert to fraction form
    66,542.10/99,892.12 = 52,512.18/x
  3. Step 3: Cross multiply
    66,542.10x = 99,892.12 × 52,512.18
  4. Step 4: Simplify right side
    66,542.10x = 5,245,552,986.02
  5. Step 5: Solve for x
    x = 5,245,552,986.02/66,542.10
  6. Step 6: Final answer
    x = 78,830.59

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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.