Home / 64,826.87-97,247.59-20,440.49

Finding the Fourth Proportional to 64,826.87, 97,247.59 and 20,440.49

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Solution

The fourth proportional to 64,826.87, 97,247.59 and 20,440.49 is: 30,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,826.87 : 97,247.59 = 20,440.49 : x
  2. Step 2: Convert to fraction form
    64,826.87/97,247.59 = 20,440.49/x
  3. Step 3: Cross multiply
    64,826.87x = 97,247.59 × 20,440.49
  4. Step 4: Simplify right side
    64,826.87x = 1,987,787,853.58
  5. Step 5: Solve for x
    x = 1,987,787,853.58/64,826.87
  6. Step 6: Final answer
    x = 30,663.03

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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.