Home / 63,914.38-88,361.28-47,971.15

Finding the Fourth Proportional to 63,914.38, 88,361.28 and 47,971.15

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Solution

The fourth proportional to 63,914.38, 88,361.28 and 47,971.15 is: 66,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,914.38 : 88,361.28 = 47,971.15 : x
  2. Step 2: Convert to fraction form
    63,914.38/88,361.28 = 47,971.15/x
  3. Step 3: Cross multiply
    63,914.38x = 88,361.28 × 47,971.15
  4. Step 4: Simplify right side
    63,914.38x = 4,238,792,217.07
  5. Step 5: Solve for x
    x = 4,238,792,217.07/63,914.38
  6. Step 6: Final answer
    x = 66,319.85

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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.