Home / 66,372.92-99,325.40-41,424.66

Finding the Fourth Proportional to 66,372.92, 99,325.40 and 41,424.66

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Solution

The fourth proportional to 66,372.92, 99,325.40 and 41,424.66 is: 61,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,372.92 : 99,325.40 = 41,424.66 : x
  2. Step 2: Convert to fraction form
    66,372.92/99,325.40 = 41,424.66/x
  3. Step 3: Cross multiply
    66,372.92x = 99,325.40 × 41,424.66
  4. Step 4: Simplify right side
    66,372.92x = 4,114,520,924.36
  5. Step 5: Solve for x
    x = 4,114,520,924.36/66,372.92
  6. Step 6: Final answer
    x = 61,990.96

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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.