Home / 66,764.27-92,142.02-42,566.11

Finding the Fourth Proportional to 66,764.27, 92,142.02 and 42,566.11

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Solution

The fourth proportional to 66,764.27, 92,142.02 and 42,566.11 is: 58,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,764.27 : 92,142.02 = 42,566.11 : x
  2. Step 2: Convert to fraction form
    66,764.27/92,142.02 = 42,566.11/x
  3. Step 3: Cross multiply
    66,764.27x = 92,142.02 × 42,566.11
  4. Step 4: Simplify right side
    66,764.27x = 3,922,127,235.00
  5. Step 5: Solve for x
    x = 3,922,127,235.00/66,764.27
  6. Step 6: Final answer
    x = 58,745.90

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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.