Home / 89,508.78-123,519.74-49,226.67

Finding the Fourth Proportional to 89,508.78, 123,519.74 and 49,226.67

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Solution

The fourth proportional to 89,508.78, 123,519.74 and 49,226.67 is: 67,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,508.78 : 123,519.74 = 49,226.67 : x
  2. Step 2: Convert to fraction form
    89,508.78/123,519.74 = 49,226.67/x
  3. Step 3: Cross multiply
    89,508.78x = 123,519.74 × 49,226.67
  4. Step 4: Simplify right side
    89,508.78x = 6,080,465,233.33
  5. Step 5: Solve for x
    x = 6,080,465,233.33/89,508.78
  6. Step 6: Final answer
    x = 67,931.49

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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.