Home / 103,985.86-155,991.75-33,846.34

Finding the Fourth Proportional to 103,985.86, 155,991.75 and 33,846.34

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Solution

The fourth proportional to 103,985.86, 155,991.75 and 33,846.34 is: 50,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,985.86 : 155,991.75 = 33,846.34 : x
  2. Step 2: Convert to fraction form
    103,985.86/155,991.75 = 33,846.34/x
  3. Step 3: Cross multiply
    103,985.86x = 155,991.75 × 33,846.34
  4. Step 4: Simplify right side
    103,985.86x = 5,279,749,807.70
  5. Step 5: Solve for x
    x = 5,279,749,807.70/103,985.86
  6. Step 6: Final answer
    x = 50,773.73

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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.