Home / 78,556.03-117,839.51-26,002.42

Finding the Fourth Proportional to 78,556.03, 117,839.51 and 26,002.42

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Solution

The fourth proportional to 78,556.03, 117,839.51 and 26,002.42 is: 39,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,556.03 : 117,839.51 = 26,002.42 : x
  2. Step 2: Convert to fraction form
    78,556.03/117,839.51 = 26,002.42/x
  3. Step 3: Cross multiply
    78,556.03x = 117,839.51 × 26,002.42
  4. Step 4: Simplify right side
    78,556.03x = 3,064,112,431.61
  5. Step 5: Solve for x
    x = 3,064,112,431.61/78,556.03
  6. Step 6: Final answer
    x = 39,005.44

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1.5x scale

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.