Home / 66,756.41-92,115.70-53,179.03

Finding the Fourth Proportional to 66,756.41, 92,115.70 and 53,179.03

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Solution

The fourth proportional to 66,756.41, 92,115.70 and 53,179.03 is: 73,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.41 : 92,115.70 = 53,179.03 : x
  2. Step 2: Convert to fraction form
    66,756.41/92,115.70 = 53,179.03/x
  3. Step 3: Cross multiply
    66,756.41x = 92,115.70 × 53,179.03
  4. Step 4: Simplify right side
    66,756.41x = 4,898,623,573.77
  5. Step 5: Solve for x
    x = 4,898,623,573.77/66,756.41
  6. Step 6: Final answer
    x = 73,380.57

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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.