Home / 79,735.14-110,146.41-75,536.10

Finding the Fourth Proportional to 79,735.14, 110,146.41 and 75,536.10

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Solution

The fourth proportional to 79,735.14, 110,146.41 and 75,536.10 is: 104,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,735.14 : 110,146.41 = 75,536.10 : x
  2. Step 2: Convert to fraction form
    79,735.14/110,146.41 = 75,536.10/x
  3. Step 3: Cross multiply
    79,735.14x = 110,146.41 × 75,536.10
  4. Step 4: Simplify right side
    79,735.14x = 8,320,030,240.40
  5. Step 5: Solve for x
    x = 8,320,030,240.40/79,735.14
  6. Step 6: Final answer
    x = 104,345.84

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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.