Home / 76,193.50-114,342.09-45,823.36

Finding the Fourth Proportional to 76,193.50, 114,342.09 and 45,823.36

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Solution

The fourth proportional to 76,193.50, 114,342.09 and 45,823.36 is: 68,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,193.50 : 114,342.09 = 45,823.36 : x
  2. Step 2: Convert to fraction form
    76,193.50/114,342.09 = 45,823.36/x
  3. Step 3: Cross multiply
    76,193.50x = 114,342.09 × 45,823.36
  4. Step 4: Simplify right side
    76,193.50x = 5,239,538,753.22
  5. Step 5: Solve for x
    x = 5,239,538,753.22/76,193.50
  6. Step 6: Final answer
    x = 68,766.22

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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.