Home / 74,859.07-103,322.88-49,370.04

Finding the Fourth Proportional to 74,859.07, 103,322.88 and 49,370.04

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Solution

The fourth proportional to 74,859.07, 103,322.88 and 49,370.04 is: 68,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859.07 : 103,322.88 = 49,370.04 : x
  2. Step 2: Convert to fraction form
    74,859.07/103,322.88 = 49,370.04/x
  3. Step 3: Cross multiply
    74,859.07x = 103,322.88 × 49,370.04
  4. Step 4: Simplify right side
    74,859.07x = 5,101,054,325.33
  5. Step 5: Solve for x
    x = 5,101,054,325.33/74,859.07
  6. Step 6: Final answer
    x = 68,142.11

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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.