Home / 51,220.56-70,668.68-29,705.95

Finding the Fourth Proportional to 51,220.56, 70,668.68 and 29,705.95

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Solution

The fourth proportional to 51,220.56, 70,668.68 and 29,705.95 is: 40,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220.56 : 70,668.68 = 29,705.95 : x
  2. Step 2: Convert to fraction form
    51,220.56/70,668.68 = 29,705.95/x
  3. Step 3: Cross multiply
    51,220.56x = 70,668.68 × 29,705.95
  4. Step 4: Simplify right side
    51,220.56x = 2,099,280,172.24
  5. Step 5: Solve for x
    x = 2,099,280,172.24/51,220.56
  6. Step 6: Final answer
    x = 40,985.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.