Home / 93,678.60-140,226.30-54,118.20

Finding the Fourth Proportional to 93,678.60, 140,226.30 and 54,118.20

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Solution

The fourth proportional to 93,678.60, 140,226.30 and 54,118.20 is: 81,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,678.60 : 140,226.30 = 54,118.20 : x
  2. Step 2: Convert to fraction form
    93,678.60/140,226.30 = 54,118.20/x
  3. Step 3: Cross multiply
    93,678.60x = 140,226.30 × 54,118.20
  4. Step 4: Simplify right side
    93,678.60x = 7,588,794,948.66
  5. Step 5: Solve for x
    x = 7,588,794,948.66/93,678.60
  6. Step 6: Final answer
    x = 81,008.84

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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.