Home / 75,087.03-103,643.16-43,277.10

Finding the Fourth Proportional to 75,087.03, 103,643.16 and 43,277.10

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Solution

The fourth proportional to 75,087.03, 103,643.16 and 43,277.10 is: 59,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.03 : 103,643.16 = 43,277.10 : x
  2. Step 2: Convert to fraction form
    75,087.03/103,643.16 = 43,277.10/x
  3. Step 3: Cross multiply
    75,087.03x = 103,643.16 × 43,277.10
  4. Step 4: Simplify right side
    75,087.03x = 4,485,375,399.64
  5. Step 5: Solve for x
    x = 4,485,375,399.64/75,087.03
  6. Step 6: Final answer
    x = 59,735.69

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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.