Home / 97,078.44-145,623.92-30,521.15

Finding the Fourth Proportional to 97,078.44, 145,623.92 and 30,521.15

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Solution

The fourth proportional to 97,078.44, 145,623.92 and 30,521.15 is: 45,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,078.44 : 145,623.92 = 30,521.15 : x
  2. Step 2: Convert to fraction form
    97,078.44/145,623.92 = 30,521.15/x
  3. Step 3: Cross multiply
    97,078.44x = 145,623.92 × 30,521.15
  4. Step 4: Simplify right side
    97,078.44x = 4,444,608,625.18
  5. Step 5: Solve for x
    x = 4,444,608,625.18/97,078.44
  6. Step 6: Final answer
    x = 45,783.68

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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.