Home / 89,107.24-122,964.83-48,820.62

Finding the Fourth Proportional to 89,107.24, 122,964.83 and 48,820.62

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Solution

The fourth proportional to 89,107.24, 122,964.83 and 48,820.62 is: 67,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.24 : 122,964.83 = 48,820.62 : x
  2. Step 2: Convert to fraction form
    89,107.24/122,964.83 = 48,820.62/x
  3. Step 3: Cross multiply
    89,107.24x = 122,964.83 × 48,820.62
  4. Step 4: Simplify right side
    89,107.24x = 6,003,219,913.50
  5. Step 5: Solve for x
    x = 6,003,219,913.50/89,107.24
  6. Step 6: Final answer
    x = 67,370.73

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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.