Home / 89,107.32-122,966.22-48,819.12

Finding the Fourth Proportional to 89,107.32, 122,966.22 and 48,819.12

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Solution

The fourth proportional to 89,107.32, 122,966.22 and 48,819.12 is: 67,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.32 : 122,966.22 = 48,819.12 : x
  2. Step 2: Convert to fraction form
    89,107.32/122,966.22 = 48,819.12/x
  3. Step 3: Cross multiply
    89,107.32x = 122,966.22 × 48,819.12
  4. Step 4: Simplify right side
    89,107.32x = 6,003,102,650.13
  5. Step 5: Solve for x
    x = 6,003,102,650.13/89,107.32
  6. Step 6: Final answer
    x = 67,369.35

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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.