Home / 93,917.20-141,021.60-54,551.20

Finding the Fourth Proportional to 93,917.20, 141,021.60 and 54,551.20

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Solution

The fourth proportional to 93,917.20, 141,021.60 and 54,551.20 is: 81,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,917.20 : 141,021.60 = 54,551.20 : x
  2. Step 2: Convert to fraction form
    93,917.20/141,021.60 = 54,551.20/x
  3. Step 3: Cross multiply
    93,917.20x = 141,021.60 × 54,551.20
  4. Step 4: Simplify right side
    93,917.20x = 7,692,897,505.92
  5. Step 5: Solve for x
    x = 7,692,897,505.92/93,917.20
  6. Step 6: Final answer
    x = 81,911.49

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1.5x scale

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.