Home / 74,693.27-103,079.31-40,704.55

Finding the Fourth Proportional to 74,693.27, 103,079.31 and 40,704.55

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Solution

The fourth proportional to 74,693.27, 103,079.31 and 40,704.55 is: 56,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.27 : 103,079.31 = 40,704.55 : x
  2. Step 2: Convert to fraction form
    74,693.27/103,079.31 = 40,704.55/x
  3. Step 3: Cross multiply
    74,693.27x = 103,079.31 × 40,704.55
  4. Step 4: Simplify right side
    74,693.27x = 4,195,796,927.86
  5. Step 5: Solve for x
    x = 4,195,796,927.86/74,693.27
  6. Step 6: Final answer
    x = 56,173.69

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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.