Home / 66,941.03-100,411.68-20,193.95

Finding the Fourth Proportional to 66,941.03, 100,411.68 and 20,193.95

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Solution

The fourth proportional to 66,941.03, 100,411.68 and 20,193.95 is: 30,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,941.03 : 100,411.68 = 20,193.95 : x
  2. Step 2: Convert to fraction form
    66,941.03/100,411.68 = 20,193.95/x
  3. Step 3: Cross multiply
    66,941.03x = 100,411.68 × 20,193.95
  4. Step 4: Simplify right side
    66,941.03x = 2,027,708,445.34
  5. Step 5: Solve for x
    x = 2,027,708,445.34/66,941.03
  6. Step 6: Final answer
    x = 30,290.97

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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.