Home / 94,941.58-142,287.78-69,864.20

Finding the Fourth Proportional to 94,941.58, 142,287.78 and 69,864.20

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Solution

The fourth proportional to 94,941.58, 142,287.78 and 69,864.20 is: 104,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,941.58 : 142,287.78 = 69,864.20 : x
  2. Step 2: Convert to fraction form
    94,941.58/142,287.78 = 69,864.20/x
  3. Step 3: Cross multiply
    94,941.58x = 142,287.78 × 69,864.20
  4. Step 4: Simplify right side
    94,941.58x = 9,940,821,919.48
  5. Step 5: Solve for x
    x = 9,940,821,919.48/94,941.58
  6. Step 6: Final answer
    x = 104,704.62

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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.