Home / 51,724.72-71,386.20-29,063.76

Finding the Fourth Proportional to 51,724.72, 71,386.20 and 29,063.76

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Solution

The fourth proportional to 51,724.72, 71,386.20 and 29,063.76 is: 40,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.72 : 71,386.20 = 29,063.76 : x
  2. Step 2: Convert to fraction form
    51,724.72/71,386.20 = 29,063.76/x
  3. Step 3: Cross multiply
    51,724.72x = 71,386.20 × 29,063.76
  4. Step 4: Simplify right side
    51,724.72x = 2,074,751,384.11
  5. Step 5: Solve for x
    x = 2,074,751,384.11/51,724.72
  6. Step 6: Final answer
    x = 40,111.41

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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.