Home / 93,579.40-140,376.30-31,249.96

Finding the Fourth Proportional to 93,579.40, 140,376.30 and 31,249.96

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Solution

The fourth proportional to 93,579.40, 140,376.30 and 31,249.96 is: 46,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,579.40 : 140,376.30 = 31,249.96 : x
  2. Step 2: Convert to fraction form
    93,579.40/140,376.30 = 31,249.96/x
  3. Step 3: Cross multiply
    93,579.40x = 140,376.30 × 31,249.96
  4. Step 4: Simplify right side
    93,579.40x = 4,386,753,759.95
  5. Step 5: Solve for x
    x = 4,386,753,759.95/93,579.40
  6. Step 6: Final answer
    x = 46,877.34

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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.