Home / 58,161.84-87,243.20-31,852.23

Finding the Fourth Proportional to 58,161.84, 87,243.20 and 31,852.23

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Solution

The fourth proportional to 58,161.84, 87,243.20 and 31,852.23 is: 47,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,161.84 : 87,243.20 = 31,852.23 : x
  2. Step 2: Convert to fraction form
    58,161.84/87,243.20 = 31,852.23/x
  3. Step 3: Cross multiply
    58,161.84x = 87,243.20 × 31,852.23
  4. Step 4: Simplify right side
    58,161.84x = 2,778,890,105.36
  5. Step 5: Solve for x
    x = 2,778,890,105.36/58,161.84
  6. Step 6: Final answer
    x = 47,778.58

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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.