Home / 75,386.16-113,079.63-44,199.54

Finding the Fourth Proportional to 75,386.16, 113,079.63 and 44,199.54

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Solution

The fourth proportional to 75,386.16, 113,079.63 and 44,199.54 is: 66,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,386.16 : 113,079.63 = 44,199.54 : x
  2. Step 2: Convert to fraction form
    75,386.16/113,079.63 = 44,199.54/x
  3. Step 3: Cross multiply
    75,386.16x = 113,079.63 × 44,199.54
  4. Step 4: Simplify right side
    75,386.16x = 4,998,067,629.37
  5. Step 5: Solve for x
    x = 4,998,067,629.37/75,386.16
  6. Step 6: Final answer
    x = 66,299.54

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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.