Home / 75,181.02-103,749.75-41,191.63

Finding the Fourth Proportional to 75,181.02, 103,749.75 and 41,191.63

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Solution

The fourth proportional to 75,181.02, 103,749.75 and 41,191.63 is: 56,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.02 : 103,749.75 = 41,191.63 : x
  2. Step 2: Convert to fraction form
    75,181.02/103,749.75 = 41,191.63/x
  3. Step 3: Cross multiply
    75,181.02x = 103,749.75 × 41,191.63
  4. Step 4: Simplify right side
    75,181.02x = 4,273,621,055.22
  5. Step 5: Solve for x
    x = 4,273,621,055.22/75,181.02
  6. Step 6: Final answer
    x = 56,844.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.