Home / 113,766.48-170,638.20-30,668.88

Finding the Fourth Proportional to 113,766.48, 170,638.20 and 30,668.88

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Solution

The fourth proportional to 113,766.48, 170,638.20 and 30,668.88 is: 46,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,766.48 : 170,638.20 = 30,668.88 : x
  2. Step 2: Convert to fraction form
    113,766.48/170,638.20 = 30,668.88/x
  3. Step 3: Cross multiply
    113,766.48x = 170,638.20 × 30,668.88
  4. Step 4: Simplify right side
    113,766.48x = 5,233,282,479.22
  5. Step 5: Solve for x
    x = 5,233,282,479.22/113,766.48
  6. Step 6: Final answer
    x = 46,000.21

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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.