Home / 116,021.20-174,031.95-31,782.11

Finding the Fourth Proportional to 116,021.20, 174,031.95 and 31,782.11

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Solution

The fourth proportional to 116,021.20, 174,031.95 and 31,782.11 is: 47,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,021.20 : 174,031.95 = 31,782.11 : x
  2. Step 2: Convert to fraction form
    116,021.20/174,031.95 = 31,782.11/x
  3. Step 3: Cross multiply
    116,021.20x = 174,031.95 × 31,782.11
  4. Step 4: Simplify right side
    116,021.20x = 5,531,101,747.98
  5. Step 5: Solve for x
    x = 5,531,101,747.98/116,021.20
  6. Step 6: Final answer
    x = 47,673.20

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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.