Home / 65,023.25-89,739.39-36,730.76

Finding the Fourth Proportional to 65,023.25, 89,739.39 and 36,730.76

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Solution

The fourth proportional to 65,023.25, 89,739.39 and 36,730.76 is: 50,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.25 : 89,739.39 = 36,730.76 : x
  2. Step 2: Convert to fraction form
    65,023.25/89,739.39 = 36,730.76/x
  3. Step 3: Cross multiply
    65,023.25x = 89,739.39 × 36,730.76
  4. Step 4: Simplify right side
    65,023.25x = 3,296,195,996.64
  5. Step 5: Solve for x
    x = 3,296,195,996.64/65,023.25
  6. Step 6: Final answer
    x = 50,692.58

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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.