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Finding the Fourth Proportional to 64,026.59, 88,361.70 and 35,736.53

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Solution

The fourth proportional to 64,026.59, 88,361.70 and 35,736.53 is: 49,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026.59 : 88,361.70 = 35,736.53 : x
  2. Step 2: Convert to fraction form
    64,026.59/88,361.70 = 35,736.53/x
  3. Step 3: Cross multiply
    64,026.59x = 88,361.70 × 35,736.53
  4. Step 4: Simplify right side
    64,026.59x = 3,157,740,542.90
  5. Step 5: Solve for x
    x = 3,157,740,542.90/64,026.59
  6. Step 6: Final answer
    x = 49,319.21

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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.