Home / 109,591.60-164,338.80-50,445.40

Finding the Fourth Proportional to 109,591.60, 164,338.80 and 50,445.40

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Solution

The fourth proportional to 109,591.60, 164,338.80 and 50,445.40 is: 75,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,591.60 : 164,338.80 = 50,445.40 : x
  2. Step 2: Convert to fraction form
    109,591.60/164,338.80 = 50,445.40/x
  3. Step 3: Cross multiply
    109,591.60x = 164,338.80 × 50,445.40
  4. Step 4: Simplify right side
    109,591.60x = 8,290,136,501.52
  5. Step 5: Solve for x
    x = 8,290,136,501.52/109,591.60
  6. Step 6: Final answer
    x = 75,645.73

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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.