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Finding the Fourth Proportional to 64,453.07, 88,943.90 and 35,771.07

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Solution

The fourth proportional to 64,453.07, 88,943.90 and 35,771.07 is: 49,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,453.07 : 88,943.90 = 35,771.07 : x
  2. Step 2: Convert to fraction form
    64,453.07/88,943.90 = 35,771.07/x
  3. Step 3: Cross multiply
    64,453.07x = 88,943.90 × 35,771.07
  4. Step 4: Simplify right side
    64,453.07x = 3,181,618,472.97
  5. Step 5: Solve for x
    x = 3,181,618,472.97/64,453.07
  6. Step 6: Final answer
    x = 49,363.33

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1.5x scale

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.