Home / 75,373.12-113,096.32-31,013.12

Finding the Fourth Proportional to 75,373.12, 113,096.32 and 31,013.12

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Solution

The fourth proportional to 75,373.12, 113,096.32 and 31,013.12 is: 46,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,373.12 : 113,096.32 = 31,013.12 : x
  2. Step 2: Convert to fraction form
    75,373.12/113,096.32 = 31,013.12/x
  3. Step 3: Cross multiply
    75,373.12x = 113,096.32 × 31,013.12
  4. Step 4: Simplify right side
    75,373.12x = 3,507,469,743.72
  5. Step 5: Solve for x
    x = 3,507,469,743.72/75,373.12
  6. Step 6: Final answer
    x = 46,534.76

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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.