Home / 66,921.72-92,392.02-41,805.24

Finding the Fourth Proportional to 66,921.72, 92,392.02 and 41,805.24

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Solution

The fourth proportional to 66,921.72, 92,392.02 and 41,805.24 is: 57,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,921.72 : 92,392.02 = 41,805.24 : x
  2. Step 2: Convert to fraction form
    66,921.72/92,392.02 = 41,805.24/x
  3. Step 3: Cross multiply
    66,921.72x = 92,392.02 × 41,805.24
  4. Step 4: Simplify right side
    66,921.72x = 3,862,470,570.18
  5. Step 5: Solve for x
    x = 3,862,470,570.18/66,921.72
  6. Step 6: Final answer
    x = 57,716.25

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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.