Home / 93,905.20-141,003.60-54,539.20

Finding the Fourth Proportional to 93,905.20, 141,003.60 and 54,539.20

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Solution

The fourth proportional to 93,905.20, 141,003.60 and 54,539.20 is: 81,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,905.20 : 141,003.60 = 54,539.20 : x
  2. Step 2: Convert to fraction form
    93,905.20/141,003.60 = 54,539.20/x
  3. Step 3: Cross multiply
    93,905.20x = 141,003.60 × 54,539.20
  4. Step 4: Simplify right side
    93,905.20x = 7,690,223,541.12
  5. Step 5: Solve for x
    x = 7,690,223,541.12/93,905.20
  6. Step 6: Final answer
    x = 81,893.48

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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.