Home / 94,732.70-142,121.28-28,173.38

Finding the Fourth Proportional to 94,732.70, 142,121.28 and 28,173.38

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Solution

The fourth proportional to 94,732.70, 142,121.28 and 28,173.38 is: 42,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,732.70 : 142,121.28 = 28,173.38 : x
  2. Step 2: Convert to fraction form
    94,732.70/142,121.28 = 28,173.38/x
  3. Step 3: Cross multiply
    94,732.70x = 142,121.28 × 28,173.38
  4. Step 4: Simplify right side
    94,732.70x = 4,004,036,827.53
  5. Step 5: Solve for x
    x = 4,004,036,827.53/94,732.70
  6. Step 6: Final answer
    x = 42,266.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.