Home / 74,192.51-102,390.68-41,915.93

Finding the Fourth Proportional to 74,192.51, 102,390.68 and 41,915.93

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Solution

The fourth proportional to 74,192.51, 102,390.68 and 41,915.93 is: 57,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.51 : 102,390.68 = 41,915.93 : x
  2. Step 2: Convert to fraction form
    74,192.51/102,390.68 = 41,915.93/x
  3. Step 3: Cross multiply
    74,192.51x = 102,390.68 × 41,915.93
  4. Step 4: Simplify right side
    74,192.51x = 4,291,800,168.37
  5. Step 5: Solve for x
    x = 4,291,800,168.37/74,192.51
  6. Step 6: Final answer
    x = 57,846.81

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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.