Home / 120,824.79-166,733.58-67,113.24

Finding the Fourth Proportional to 120,824.79, 166,733.58 and 67,113.24

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Solution

The fourth proportional to 120,824.79, 166,733.58 and 67,113.24 is: 92,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,824.79 : 166,733.58 = 67,113.24 : x
  2. Step 2: Convert to fraction form
    120,824.79/166,733.58 = 67,113.24/x
  3. Step 3: Cross multiply
    120,824.79x = 166,733.58 × 67,113.24
  4. Step 4: Simplify right side
    120,824.79x = 11,190,030,770.60
  5. Step 5: Solve for x
    x = 11,190,030,770.60/120,824.79
  6. Step 6: Final answer
    x = 92,613.70

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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.