Home / 79,083.36-118,626.48-26,492.64

Finding the Fourth Proportional to 79,083.36, 118,626.48 and 26,492.64

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Solution

The fourth proportional to 79,083.36, 118,626.48 and 26,492.64 is: 39,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.36 : 118,626.48 = 26,492.64 : x
  2. Step 2: Convert to fraction form
    79,083.36/118,626.48 = 26,492.64/x
  3. Step 3: Cross multiply
    79,083.36x = 118,626.48 × 26,492.64
  4. Step 4: Simplify right side
    79,083.36x = 3,142,728,629.11
  5. Step 5: Solve for x
    x = 3,142,728,629.11/79,083.36
  6. Step 6: Final answer
    x = 39,739.44

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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.