Home / 51,976.65-71,720.19-29,316.63

Finding the Fourth Proportional to 51,976.65, 71,720.19 and 29,316.63

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Solution

The fourth proportional to 51,976.65, 71,720.19 and 29,316.63 is: 40,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.65 : 71,720.19 = 29,316.63 : x
  2. Step 2: Convert to fraction form
    51,976.65/71,720.19 = 29,316.63/x
  3. Step 3: Cross multiply
    51,976.65x = 71,720.19 × 29,316.63
  4. Step 4: Simplify right side
    51,976.65x = 2,102,594,273.76
  5. Step 5: Solve for x
    x = 2,102,594,273.76/51,976.65
  6. Step 6: Final answer
    x = 40,452.67

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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.