Home / 74,934.21-103,407.97-40,941.96

Finding the Fourth Proportional to 74,934.21, 103,407.97 and 40,941.96

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Solution

The fourth proportional to 74,934.21, 103,407.97 and 40,941.96 is: 56,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.21 : 103,407.97 = 40,941.96 : x
  2. Step 2: Convert to fraction form
    74,934.21/103,407.97 = 40,941.96/x
  3. Step 3: Cross multiply
    74,934.21x = 103,407.97 × 40,941.96
  4. Step 4: Simplify right side
    74,934.21x = 4,233,724,971.42
  5. Step 5: Solve for x
    x = 4,233,724,971.42/74,934.21
  6. Step 6: Final answer
    x = 56,499.23

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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.