Home / 109,315.14-163,988.91-34,441.98

Finding the Fourth Proportional to 109,315.14, 163,988.91 and 34,441.98

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Solution

The fourth proportional to 109,315.14, 163,988.91 and 34,441.98 is: 51,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.14 : 163,988.91 = 34,441.98 : x
  2. Step 2: Convert to fraction form
    109,315.14/163,988.91 = 34,441.98/x
  3. Step 3: Cross multiply
    109,315.14x = 163,988.91 × 34,441.98
  4. Step 4: Simplify right side
    109,315.14x = 5,648,102,758.44
  5. Step 5: Solve for x
    x = 5,648,102,758.44/109,315.14
  6. Step 6: Final answer
    x = 51,668.07

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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.