Home / 64,604.16-89,153.20-36,309.76

Finding the Fourth Proportional to 64,604.16, 89,153.20 and 36,309.76

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Solution

The fourth proportional to 64,604.16, 89,153.20 and 36,309.76 is: 50,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.16 : 89,153.20 = 36,309.76 : x
  2. Step 2: Convert to fraction form
    64,604.16/89,153.20 = 36,309.76/x
  3. Step 3: Cross multiply
    64,604.16x = 89,153.20 × 36,309.76
  4. Step 4: Simplify right side
    64,604.16x = 3,237,131,295.23
  5. Step 5: Solve for x
    x = 3,237,131,295.23/64,604.16
  6. Step 6: Final answer
    x = 50,107.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.