Home / 77,578.75-107,052.10-43,584.57

Finding the Fourth Proportional to 77,578.75, 107,052.10 and 43,584.57

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Solution

The fourth proportional to 77,578.75, 107,052.10 and 43,584.57 is: 60,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,578.75 : 107,052.10 = 43,584.57 : x
  2. Step 2: Convert to fraction form
    77,578.75/107,052.10 = 43,584.57/x
  3. Step 3: Cross multiply
    77,578.75x = 107,052.10 × 43,584.57
  4. Step 4: Simplify right side
    77,578.75x = 4,665,819,746.10
  5. Step 5: Solve for x
    x = 4,665,819,746.10/77,578.75
  6. Step 6: Final answer
    x = 60,143.01

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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.