Home / 75,481.02-113,156.46-31,080.06

Finding the Fourth Proportional to 75,481.02, 113,156.46 and 31,080.06

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Solution

The fourth proportional to 75,481.02, 113,156.46 and 31,080.06 is: 46,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481.02 : 113,156.46 = 31,080.06 : x
  2. Step 2: Convert to fraction form
    75,481.02/113,156.46 = 31,080.06/x
  3. Step 3: Cross multiply
    75,481.02x = 113,156.46 × 31,080.06
  4. Step 4: Simplify right side
    75,481.02x = 3,516,909,566.19
  5. Step 5: Solve for x
    x = 3,516,909,566.19/75,481.02
  6. Step 6: Final answer
    x = 46,593.30

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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.