Home / 64,334.21-88,781.10-36,039.89

Finding the Fourth Proportional to 64,334.21, 88,781.10 and 36,039.89

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Solution

The fourth proportional to 64,334.21, 88,781.10 and 36,039.89 is: 49,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,334.21 : 88,781.10 = 36,039.89 : x
  2. Step 2: Convert to fraction form
    64,334.21/88,781.10 = 36,039.89/x
  3. Step 3: Cross multiply
    64,334.21x = 88,781.10 × 36,039.89
  4. Step 4: Simplify right side
    64,334.21x = 3,199,660,634.17
  5. Step 5: Solve for x
    x = 3,199,660,634.17/64,334.21
  6. Step 6: Final answer
    x = 49,734.98

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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.