Home / 74,941.75-103,427.18-41,407.75

Finding the Fourth Proportional to 74,941.75, 103,427.18 and 41,407.75

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Solution

The fourth proportional to 74,941.75, 103,427.18 and 41,407.75 is: 57,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941.75 : 103,427.18 = 41,407.75 : x
  2. Step 2: Convert to fraction form
    74,941.75/103,427.18 = 41,407.75/x
  3. Step 3: Cross multiply
    74,941.75x = 103,427.18 × 41,407.75
  4. Step 4: Simplify right side
    74,941.75x = 4,282,686,812.65
  5. Step 5: Solve for x
    x = 4,282,686,812.65/74,941.75
  6. Step 6: Final answer
    x = 57,146.87

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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.