Home / 115,412.22-173,128.25-40,525.93

Finding the Fourth Proportional to 115,412.22, 173,128.25 and 40,525.93

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Solution

The fourth proportional to 115,412.22, 173,128.25 and 40,525.93 is: 60,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.22 : 173,128.25 = 40,525.93 : x
  2. Step 2: Convert to fraction form
    115,412.22/173,128.25 = 40,525.93/x
  3. Step 3: Cross multiply
    115,412.22x = 173,128.25 × 40,525.93
  4. Step 4: Simplify right side
    115,412.22x = 7,016,183,137.89
  5. Step 5: Solve for x
    x = 7,016,183,137.89/115,412.22
  6. Step 6: Final answer
    x = 60,792.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.