Home / 92,943.45-128,262.42-54,704.43

Finding the Fourth Proportional to 92,943.45, 128,262.42 and 54,704.43

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Solution

The fourth proportional to 92,943.45, 128,262.42 and 54,704.43 is: 75,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,943.45 : 128,262.42 = 54,704.43 : x
  2. Step 2: Convert to fraction form
    92,943.45/128,262.42 = 54,704.43/x
  3. Step 3: Cross multiply
    92,943.45x = 128,262.42 × 54,704.43
  4. Step 4: Simplify right side
    92,943.45x = 7,016,522,576.52
  5. Step 5: Solve for x
    x = 7,016,522,576.52/92,943.45
  6. Step 6: Final answer
    x = 75,492.38

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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.