Home / 89,071.92-122,920.74-48,785.22

Finding the Fourth Proportional to 89,071.92, 122,920.74 and 48,785.22

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Solution

The fourth proportional to 89,071.92, 122,920.74 and 48,785.22 is: 67,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.92 : 122,920.74 = 48,785.22 : x
  2. Step 2: Convert to fraction form
    89,071.92/122,920.74 = 48,785.22/x
  3. Step 3: Cross multiply
    89,071.92x = 122,920.74 × 48,785.22
  4. Step 4: Simplify right side
    89,071.92x = 5,996,715,343.46
  5. Step 5: Solve for x
    x = 5,996,715,343.46/89,071.92
  6. Step 6: Final answer
    x = 67,324.42

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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.