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Finding the Fourth Proportional to 64,626.93, 89,183.58 and 35,946.49

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Solution

The fourth proportional to 64,626.93, 89,183.58 and 35,946.49 is: 49,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,626.93 : 89,183.58 = 35,946.49 : x
  2. Step 2: Convert to fraction form
    64,626.93/89,183.58 = 35,946.49/x
  3. Step 3: Cross multiply
    64,626.93x = 89,183.58 × 35,946.49
  4. Step 4: Simplify right side
    64,626.93x = 3,205,836,666.63
  5. Step 5: Solve for x
    x = 3,205,836,666.63/64,626.93
  6. Step 6: Final answer
    x = 49,605.28

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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.