Home / 89,049.68-122,886.94-48,762.70

Finding the Fourth Proportional to 89,049.68, 122,886.94 and 48,762.70

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Solution

The fourth proportional to 89,049.68, 122,886.94 and 48,762.70 is: 67,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.68 : 122,886.94 = 48,762.70 : x
  2. Step 2: Convert to fraction form
    89,049.68/122,886.94 = 48,762.70/x
  3. Step 3: Cross multiply
    89,049.68x = 122,886.94 × 48,762.70
  4. Step 4: Simplify right side
    89,049.68x = 5,992,298,989.14
  5. Step 5: Solve for x
    x = 5,992,298,989.14/89,049.68
  6. Step 6: Final answer
    x = 67,291.64

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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.