Home / 66,926.82-100,256.37-40,258.10

Finding the Fourth Proportional to 66,926.82, 100,256.37 and 40,258.10

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Solution

The fourth proportional to 66,926.82, 100,256.37 and 40,258.10 is: 60,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.82 : 100,256.37 = 40,258.10 : x
  2. Step 2: Convert to fraction form
    66,926.82/100,256.37 = 40,258.10/x
  3. Step 3: Cross multiply
    66,926.82x = 100,256.37 × 40,258.10
  4. Step 4: Simplify right side
    66,926.82x = 4,036,130,467.82
  5. Step 5: Solve for x
    x = 4,036,130,467.82/66,926.82
  6. Step 6: Final answer
    x = 60,306.62

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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.