Home / 75,023.20-112,534.80-73,273.60

Finding the Fourth Proportional to 75,023.20, 112,534.80 and 73,273.60

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Solution

The fourth proportional to 75,023.20, 112,534.80 and 73,273.60 is: 109,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,023.20 : 112,534.80 = 73,273.60 : x
  2. Step 2: Convert to fraction form
    75,023.20/112,534.80 = 73,273.60/x
  3. Step 3: Cross multiply
    75,023.20x = 112,534.80 × 73,273.60
  4. Step 4: Simplify right side
    75,023.20x = 8,245,829,921.28
  5. Step 5: Solve for x
    x = 8,245,829,921.28/75,023.20
  6. Step 6: Final answer
    x = 109,910.40

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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.