Home / 75,851.23-113,712.58-31,450.27

Finding the Fourth Proportional to 75,851.23, 113,712.58 and 31,450.27

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Solution

The fourth proportional to 75,851.23, 113,712.58 and 31,450.27 is: 47,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,851.23 : 113,712.58 = 31,450.27 : x
  2. Step 2: Convert to fraction form
    75,851.23/113,712.58 = 31,450.27/x
  3. Step 3: Cross multiply
    75,851.23x = 113,712.58 × 31,450.27
  4. Step 4: Simplify right side
    75,851.23x = 3,576,291,343.40
  5. Step 5: Solve for x
    x = 3,576,291,343.40/75,851.23
  6. Step 6: Final answer
    x = 47,148.76

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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.