Home / 73,619.90-110,231.82-38,485.76

Finding the Fourth Proportional to 73,619.90, 110,231.82 and 38,485.76

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Solution

The fourth proportional to 73,619.90, 110,231.82 and 38,485.76 is: 57,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,619.90 : 110,231.82 = 38,485.76 : x
  2. Step 2: Convert to fraction form
    73,619.90/110,231.82 = 38,485.76/x
  3. Step 3: Cross multiply
    73,619.90x = 110,231.82 × 38,485.76
  4. Step 4: Simplify right side
    73,619.90x = 4,242,355,368.88
  5. Step 5: Solve for x
    x = 4,242,355,368.88/73,619.90
  6. Step 6: Final answer
    x = 57,625.12

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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.