Home / 86,121.03-129,111.84-26,926.23

Finding the Fourth Proportional to 86,121.03, 129,111.84 and 26,926.23

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Solution

The fourth proportional to 86,121.03, 129,111.84 and 26,926.23 is: 40,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,121.03 : 129,111.84 = 26,926.23 : x
  2. Step 2: Convert to fraction form
    86,121.03/129,111.84 = 26,926.23/x
  3. Step 3: Cross multiply
    86,121.03x = 129,111.84 × 26,926.23
  4. Step 4: Simplify right side
    86,121.03x = 3,476,495,099.56
  5. Step 5: Solve for x
    x = 3,476,495,099.56/86,121.03
  6. Step 6: Final answer
    x = 40,367.55

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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.