Home / 73,953.03-102,055.19-40,419.03

Finding the Fourth Proportional to 73,953.03, 102,055.19 and 40,419.03

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Solution

The fourth proportional to 73,953.03, 102,055.19 and 40,419.03 is: 55,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,953.03 : 102,055.19 = 40,419.03 : x
  2. Step 2: Convert to fraction form
    73,953.03/102,055.19 = 40,419.03/x
  3. Step 3: Cross multiply
    73,953.03x = 102,055.19 × 40,419.03
  4. Step 4: Simplify right side
    73,953.03x = 4,124,971,584.17
  5. Step 5: Solve for x
    x = 4,124,971,584.17/73,953.03
  6. Step 6: Final answer
    x = 55,778.26

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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.