Home / 74,919.84-103,386.48-43,067.04

Finding the Fourth Proportional to 74,919.84, 103,386.48 and 43,067.04

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Solution

The fourth proportional to 74,919.84, 103,386.48 and 43,067.04 is: 59,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.84 : 103,386.48 = 43,067.04 : x
  2. Step 2: Convert to fraction form
    74,919.84/103,386.48 = 43,067.04/x
  3. Step 3: Cross multiply
    74,919.84x = 103,386.48 × 43,067.04
  4. Step 4: Simplify right side
    74,919.84x = 4,452,549,669.62
  5. Step 5: Solve for x
    x = 4,452,549,669.62/74,919.84
  6. Step 6: Final answer
    x = 59,430.85

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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.