Home / 103,899.42-155,868.57-41,574.78

Finding the Fourth Proportional to 103,899.42, 155,868.57 and 41,574.78

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Solution

The fourth proportional to 103,899.42, 155,868.57 and 41,574.78 is: 62,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,899.42 : 155,868.57 = 41,574.78 : x
  2. Step 2: Convert to fraction form
    103,899.42/155,868.57 = 41,574.78/x
  3. Step 3: Cross multiply
    103,899.42x = 155,868.57 × 41,574.78
  4. Step 4: Simplify right side
    103,899.42x = 6,480,201,506.66
  5. Step 5: Solve for x
    x = 6,480,201,506.66/103,899.42
  6. Step 6: Final answer
    x = 62,369.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.