Home / 93,975.20-140,961.84-31,645.28

Finding the Fourth Proportional to 93,975.20, 140,961.84 and 31,645.28

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Solution

The fourth proportional to 93,975.20, 140,961.84 and 31,645.28 is: 47,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,975.20 : 140,961.84 = 31,645.28 : x
  2. Step 2: Convert to fraction form
    93,975.20/140,961.84 = 31,645.28/x
  3. Step 3: Cross multiply
    93,975.20x = 140,961.84 × 31,645.28
  4. Step 4: Simplify right side
    93,975.20x = 4,460,776,896.12
  5. Step 5: Solve for x
    x = 4,460,776,896.12/93,975.20
  6. Step 6: Final answer
    x = 47,467.60

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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.