Home / 75,390.44-113,627.57-64,986.03

Finding the Fourth Proportional to 75,390.44, 113,627.57 and 64,986.03

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Solution

The fourth proportional to 75,390.44, 113,627.57 and 64,986.03 is: 97,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,390.44 : 113,627.57 = 64,986.03 : x
  2. Step 2: Convert to fraction form
    75,390.44/113,627.57 = 64,986.03/x
  3. Step 3: Cross multiply
    75,390.44x = 113,627.57 × 64,986.03
  4. Step 4: Simplify right side
    75,390.44x = 7,384,204,347.92
  5. Step 5: Solve for x
    x = 7,384,204,347.92/75,390.44
  6. Step 6: Final answer
    x = 97,946.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.