Home / 66,919.72-92,389.26-41,803.24

Finding the Fourth Proportional to 66,919.72, 92,389.26 and 41,803.24

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Solution

The fourth proportional to 66,919.72, 92,389.26 and 41,803.24 is: 57,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919.72 : 92,389.26 = 41,803.24 : x
  2. Step 2: Convert to fraction form
    66,919.72/92,389.26 = 41,803.24/x
  3. Step 3: Cross multiply
    66,919.72x = 92,389.26 × 41,803.24
  4. Step 4: Simplify right side
    66,919.72x = 3,862,170,409.20
  5. Step 5: Solve for x
    x = 3,862,170,409.20/66,919.72
  6. Step 6: Final answer
    x = 57,713.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.