Home / 120,749.70-181,116.45-32,001.30

Finding the Fourth Proportional to 120,749.70, 181,116.45 and 32,001.30

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Solution

The fourth proportional to 120,749.70, 181,116.45 and 32,001.30 is: 47,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,749.70 : 181,116.45 = 32,001.30 : x
  2. Step 2: Convert to fraction form
    120,749.70/181,116.45 = 32,001.30/x
  3. Step 3: Cross multiply
    120,749.70x = 181,116.45 × 32,001.30
  4. Step 4: Simplify right side
    120,749.70x = 5,795,961,851.39
  5. Step 5: Solve for x
    x = 5,795,961,851.39/120,749.70
  6. Step 6: Final answer
    x = 47,999.80

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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.