Home / 117,916.08-162,715.97-66,929.85

Finding the Fourth Proportional to 117,916.08, 162,715.97 and 66,929.85

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Solution

The fourth proportional to 117,916.08, 162,715.97 and 66,929.85 is: 92,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,916.08 : 162,715.97 = 66,929.85 : x
  2. Step 2: Convert to fraction form
    117,916.08/162,715.97 = 66,929.85/x
  3. Step 3: Cross multiply
    117,916.08x = 162,715.97 × 66,929.85
  4. Step 4: Simplify right side
    117,916.08x = 10,890,555,464.70
  5. Step 5: Solve for x
    x = 10,890,555,464.70/117,916.08
  6. Step 6: Final answer
    x = 92,358.53

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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.