Home / 66,927.50-92,334.48-42,729.36

Finding the Fourth Proportional to 66,927.50, 92,334.48 and 42,729.36

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Solution

The fourth proportional to 66,927.50, 92,334.48 and 42,729.36 is: 58,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.50 : 92,334.48 = 42,729.36 : x
  2. Step 2: Convert to fraction form
    66,927.50/92,334.48 = 42,729.36/x
  3. Step 3: Cross multiply
    66,927.50x = 92,334.48 × 42,729.36
  4. Step 4: Simplify right side
    66,927.50x = 3,945,393,236.33
  5. Step 5: Solve for x
    x = 3,945,393,236.33/66,927.50
  6. Step 6: Final answer
    x = 58,950.26

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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.