Home / 75,087.41-103,643.68-43,277.48

Finding the Fourth Proportional to 75,087.41, 103,643.68 and 43,277.48

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Solution

The fourth proportional to 75,087.41, 103,643.68 and 43,277.48 is: 59,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.41 : 103,643.68 = 43,277.48 : x
  2. Step 2: Convert to fraction form
    75,087.41/103,643.68 = 43,277.48/x
  3. Step 3: Cross multiply
    75,087.41x = 103,643.68 × 43,277.48
  4. Step 4: Simplify right side
    75,087.41x = 4,485,436,661.91
  5. Step 5: Solve for x
    x = 4,485,436,661.91/75,087.41
  6. Step 6: Final answer
    x = 59,736.21

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1.5x scale

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.