Home / 87,362.50-131,071.47-31,201.42

Finding the Fourth Proportional to 87,362.50, 131,071.47 and 31,201.42

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Solution

The fourth proportional to 87,362.50, 131,071.47 and 31,201.42 is: 46,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362.50 : 131,071.47 = 31,201.42 : x
  2. Step 2: Convert to fraction form
    87,362.50/131,071.47 = 31,201.42/x
  3. Step 3: Cross multiply
    87,362.50x = 131,071.47 × 31,201.42
  4. Step 4: Simplify right side
    87,362.50x = 4,089,615,985.49
  5. Step 5: Solve for x
    x = 4,089,615,985.49/87,362.50
  6. Step 6: Final answer
    x = 46,812.03

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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.