Home / 107,410.98-161,083.50-51,221.46

Finding the Fourth Proportional to 107,410.98, 161,083.50 and 51,221.46

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Solution

The fourth proportional to 107,410.98, 161,083.50 and 51,221.46 is: 76,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,410.98 : 161,083.50 = 51,221.46 : x
  2. Step 2: Convert to fraction form
    107,410.98/161,083.50 = 51,221.46/x
  3. Step 3: Cross multiply
    107,410.98x = 161,083.50 × 51,221.46
  4. Step 4: Simplify right side
    107,410.98x = 8,250,932,051.91
  5. Step 5: Solve for x
    x = 8,250,932,051.91/107,410.98
  6. Step 6: Final answer
    x = 76,816.47

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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.