Home / 66,416.90-91,657.66-37,736.15

Finding the Fourth Proportional to 66,416.90, 91,657.66 and 37,736.15

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Solution

The fourth proportional to 66,416.90, 91,657.66 and 37,736.15 is: 52,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.90 : 91,657.66 = 37,736.15 : x
  2. Step 2: Convert to fraction form
    66,416.90/91,657.66 = 37,736.15/x
  3. Step 3: Cross multiply
    66,416.90x = 91,657.66 × 37,736.15
  4. Step 4: Simplify right side
    66,416.90x = 3,458,806,653.78
  5. Step 5: Solve for x
    x = 3,458,806,653.78/66,416.90
  6. Step 6: Final answer
    x = 52,077.21

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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.