Home / 66,837.10-100,146.27-40,461.90

Finding the Fourth Proportional to 66,837.10, 100,146.27 and 40,461.90

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Solution

The fourth proportional to 66,837.10, 100,146.27 and 40,461.90 is: 60,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.10 : 100,146.27 = 40,461.90 : x
  2. Step 2: Convert to fraction form
    66,837.10/100,146.27 = 40,461.90/x
  3. Step 3: Cross multiply
    66,837.10x = 100,146.27 × 40,461.90
  4. Step 4: Simplify right side
    66,837.10x = 4,052,108,362.11
  5. Step 5: Solve for x
    x = 4,052,108,362.11/66,837.10
  6. Step 6: Final answer
    x = 60,626.63

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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.