Home / 74,934.53-103,408.44-40,942.29

Finding the Fourth Proportional to 74,934.53, 103,408.44 and 40,942.29

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Solution

The fourth proportional to 74,934.53, 103,408.44 and 40,942.29 is: 56,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.53 : 103,408.44 = 40,942.29 : x
  2. Step 2: Convert to fraction form
    74,934.53/103,408.44 = 40,942.29/x
  3. Step 3: Cross multiply
    74,934.53x = 103,408.44 × 40,942.29
  4. Step 4: Simplify right side
    74,934.53x = 4,233,778,338.93
  5. Step 5: Solve for x
    x = 4,233,778,338.93/74,934.53
  6. Step 6: Final answer
    x = 56,499.70

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1.5x scale

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.