Home / 51,516.18-71,086.44-28,852.02

Finding the Fourth Proportional to 51,516.18, 71,086.44 and 28,852.02

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Solution

The fourth proportional to 51,516.18, 71,086.44 and 28,852.02 is: 39,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.18 : 71,086.44 = 28,852.02 : x
  2. Step 2: Convert to fraction form
    51,516.18/71,086.44 = 28,852.02/x
  3. Step 3: Cross multiply
    51,516.18x = 71,086.44 × 28,852.02
  4. Step 4: Simplify right side
    51,516.18x = 2,050,987,388.61
  5. Step 5: Solve for x
    x = 2,050,987,388.61/51,516.18
  6. Step 6: Final answer
    x = 39,812.49

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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.