Home / 75,491.02-113,171.46-31,090.06

Finding the Fourth Proportional to 75,491.02, 113,171.46 and 31,090.06

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Solution

The fourth proportional to 75,491.02, 113,171.46 and 31,090.06 is: 46,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,491.02 : 113,171.46 = 31,090.06 : x
  2. Step 2: Convert to fraction form
    75,491.02/113,171.46 = 31,090.06/x
  3. Step 3: Cross multiply
    75,491.02x = 113,171.46 × 31,090.06
  4. Step 4: Simplify right side
    75,491.02x = 3,518,507,481.69
  5. Step 5: Solve for x
    x = 3,518,507,481.69/75,491.02
  6. Step 6: Final answer
    x = 46,608.29

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1.5x scale

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.