Home / 103,112.96-154,666.60-32,991.26

Finding the Fourth Proportional to 103,112.96, 154,666.60 and 32,991.26

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Solution

The fourth proportional to 103,112.96, 154,666.60 and 32,991.26 is: 49,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,112.96 : 154,666.60 = 32,991.26 : x
  2. Step 2: Convert to fraction form
    103,112.96/154,666.60 = 32,991.26/x
  3. Step 3: Cross multiply
    103,112.96x = 154,666.60 × 32,991.26
  4. Step 4: Simplify right side
    103,112.96x = 5,102,645,158.10
  5. Step 5: Solve for x
    x = 5,102,645,158.10/103,112.96
  6. Step 6: Final answer
    x = 49,485.98

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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.