Home / 113,049.79-169,578.31-56,859.23

Finding the Fourth Proportional to 113,049.79, 169,578.31 and 56,859.23

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Solution

The fourth proportional to 113,049.79, 169,578.31 and 56,859.23 is: 85,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,049.79 : 169,578.31 = 56,859.23 : x
  2. Step 2: Convert to fraction form
    113,049.79/169,578.31 = 56,859.23/x
  3. Step 3: Cross multiply
    113,049.79x = 169,578.31 × 56,859.23
  4. Step 4: Simplify right side
    113,049.79x = 9,642,091,847.01
  5. Step 5: Solve for x
    x = 9,642,091,847.01/113,049.79
  6. Step 6: Final answer
    x = 85,290.67

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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.