Home / 65,781.21-98,696.67-39,504.27

Finding the Fourth Proportional to 65,781.21, 98,696.67 and 39,504.27

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Solution

The fourth proportional to 65,781.21, 98,696.67 and 39,504.27 is: 59,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781.21 : 98,696.67 = 39,504.27 : x
  2. Step 2: Convert to fraction form
    65,781.21/98,696.67 = 39,504.27/x
  3. Step 3: Cross multiply
    65,781.21x = 98,696.67 × 39,504.27
  4. Step 4: Simplify right side
    65,781.21x = 3,898,939,899.78
  5. Step 5: Solve for x
    x = 3,898,939,899.78/65,781.21
  6. Step 6: Final answer
    x = 59,271.33

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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.