Home / 51,564.16-71,161.40-28,910.44

Finding the Fourth Proportional to 51,564.16, 71,161.40 and 28,910.44

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Solution

The fourth proportional to 51,564.16, 71,161.40 and 28,910.44 is: 39,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,564.16 : 71,161.40 = 28,910.44 : x
  2. Step 2: Convert to fraction form
    51,564.16/71,161.40 = 28,910.44/x
  3. Step 3: Cross multiply
    51,564.16x = 71,161.40 × 28,910.44
  4. Step 4: Simplify right side
    51,564.16x = 2,057,307,385.02
  5. Step 5: Solve for x
    x = 2,057,307,385.02/51,564.16
  6. Step 6: Final answer
    x = 39,898.01

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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.