Home / 66,316.89-99,480.75-39,843.27

Finding the Fourth Proportional to 66,316.89, 99,480.75 and 39,843.27

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Solution

The fourth proportional to 66,316.89, 99,480.75 and 39,843.27 is: 59,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.89 : 99,480.75 = 39,843.27 : x
  2. Step 2: Convert to fraction form
    66,316.89/99,480.75 = 39,843.27/x
  3. Step 3: Cross multiply
    66,316.89x = 99,480.75 × 39,843.27
  4. Step 4: Simplify right side
    66,316.89x = 3,963,638,382.05
  5. Step 5: Solve for x
    x = 3,963,638,382.05/66,316.89
  6. Step 6: Final answer
    x = 59,768.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.