Home / 64,623.44-89,146.12-48,680.12

Finding the Fourth Proportional to 64,623.44, 89,146.12 and 48,680.12

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Solution

The fourth proportional to 64,623.44, 89,146.12 and 48,680.12 is: 67,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,623.44 : 89,146.12 = 48,680.12 : x
  2. Step 2: Convert to fraction form
    64,623.44/89,146.12 = 48,680.12/x
  3. Step 3: Cross multiply
    64,623.44x = 89,146.12 × 48,680.12
  4. Step 4: Simplify right side
    64,623.44x = 4,339,643,819.13
  5. Step 5: Solve for x
    x = 4,339,643,819.13/64,623.44
  6. Step 6: Final answer
    x = 67,152.78

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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.