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Finding the Fourth Proportional to 64,448.84, 88,933.43 and 36,149.06

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Solution

The fourth proportional to 64,448.84, 88,933.43 and 36,149.06 is: 49,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448.84 : 88,933.43 = 36,149.06 : x
  2. Step 2: Convert to fraction form
    64,448.84/88,933.43 = 36,149.06/x
  3. Step 3: Cross multiply
    64,448.84x = 88,933.43 × 36,149.06
  4. Step 4: Simplify right side
    64,448.84x = 3,214,859,716.33
  5. Step 5: Solve for x
    x = 3,214,859,716.33/64,448.84
  6. Step 6: Final answer
    x = 49,882.35

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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.