Home / 94,940.58-142,286.28-69,863.20

Finding the Fourth Proportional to 94,940.58, 142,286.28 and 69,863.20

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Solution

The fourth proportional to 94,940.58, 142,286.28 and 69,863.20 is: 104,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,940.58 : 142,286.28 = 69,863.20 : x
  2. Step 2: Convert to fraction form
    94,940.58/142,286.28 = 69,863.20/x
  3. Step 3: Cross multiply
    94,940.58x = 142,286.28 × 69,863.20
  4. Step 4: Simplify right side
    94,940.58x = 9,940,574,836.90
  5. Step 5: Solve for x
    x = 9,940,574,836.90/94,940.58
  6. Step 6: Final answer
    x = 104,703.12

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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.