Home / 118,899.54-164,082.70-67,919.02

Finding the Fourth Proportional to 118,899.54, 164,082.70 and 67,919.02

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Solution

The fourth proportional to 118,899.54, 164,082.70 and 67,919.02 is: 93,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,899.54 : 164,082.70 = 67,919.02 : x
  2. Step 2: Convert to fraction form
    118,899.54/164,082.70 = 67,919.02/x
  3. Step 3: Cross multiply
    118,899.54x = 164,082.70 × 67,919.02
  4. Step 4: Simplify right side
    118,899.54x = 11,144,336,182.95
  5. Step 5: Solve for x
    x = 11,144,336,182.95/118,899.54
  6. Step 6: Final answer
    x = 93,729.01

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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.