Home / 66,060.54-91,191.96-40,571.06

Finding the Fourth Proportional to 66,060.54, 91,191.96 and 40,571.06

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Solution

The fourth proportional to 66,060.54, 91,191.96 and 40,571.06 is: 56,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060.54 : 91,191.96 = 40,571.06 : x
  2. Step 2: Convert to fraction form
    66,060.54/91,191.96 = 40,571.06/x
  3. Step 3: Cross multiply
    66,060.54x = 91,191.96 × 40,571.06
  4. Step 4: Simplify right side
    66,060.54x = 3,699,754,024.72
  5. Step 5: Solve for x
    x = 3,699,754,024.72/66,060.54
  6. Step 6: Final answer
    x = 56,005.51

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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.