Home / 74,934.71-103,408.66-40,942.46

Finding the Fourth Proportional to 74,934.71, 103,408.66 and 40,942.46

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Solution

The fourth proportional to 74,934.71, 103,408.66 and 40,942.46 is: 56,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.71 : 103,408.66 = 40,942.46 : x
  2. Step 2: Convert to fraction form
    74,934.71/103,408.66 = 40,942.46/x
  3. Step 3: Cross multiply
    74,934.71x = 103,408.66 × 40,942.46
  4. Step 4: Simplify right side
    74,934.71x = 4,233,804,925.70
  5. Step 5: Solve for x
    x = 4,233,804,925.70/74,934.71
  6. Step 6: Final answer
    x = 56,499.92

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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.