Home / 66,366.42-99,315.68-41,418.15

Finding the Fourth Proportional to 66,366.42, 99,315.68 and 41,418.15

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Solution

The fourth proportional to 66,366.42, 99,315.68 and 41,418.15 is: 61,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.42 : 99,315.68 = 41,418.15 : x
  2. Step 2: Convert to fraction form
    66,366.42/99,315.68 = 41,418.15/x
  3. Step 3: Cross multiply
    66,366.42x = 99,315.68 × 41,418.15
  4. Step 4: Simplify right side
    66,366.42x = 4,113,471,524.50
  5. Step 5: Solve for x
    x = 4,113,471,524.50/66,366.42
  6. Step 6: Final answer
    x = 61,981.22

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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.