Home / 93,151.22-139,601.07-66,797.87

Finding the Fourth Proportional to 93,151.22, 139,601.07 and 66,797.87

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Solution

The fourth proportional to 93,151.22, 139,601.07 and 66,797.87 is: 100,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,151.22 : 139,601.07 = 66,797.87 : x
  2. Step 2: Convert to fraction form
    93,151.22/139,601.07 = 66,797.87/x
  3. Step 3: Cross multiply
    93,151.22x = 139,601.07 × 66,797.87
  4. Step 4: Simplify right side
    93,151.22x = 9,325,053,427.72
  5. Step 5: Solve for x
    x = 9,325,053,427.72/93,151.22
  6. Step 6: Final answer
    x = 100,106.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.