Home / 66,612.22-91,922.12-36,398.58

Finding the Fourth Proportional to 66,612.22, 91,922.12 and 36,398.58

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Solution

The fourth proportional to 66,612.22, 91,922.12 and 36,398.58 is: 50,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612.22 : 91,922.12 = 36,398.58 : x
  2. Step 2: Convert to fraction form
    66,612.22/91,922.12 = 36,398.58/x
  3. Step 3: Cross multiply
    66,612.22x = 91,922.12 × 36,398.58
  4. Step 4: Simplify right side
    66,612.22x = 3,345,834,638.59
  5. Step 5: Solve for x
    x = 3,345,834,638.59/66,612.22
  6. Step 6: Final answer
    x = 50,228.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.