Home / 71,021.08-106,528.16-26,644.38

Finding the Fourth Proportional to 71,021.08, 106,528.16 and 26,644.38

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Solution

The fourth proportional to 71,021.08, 106,528.16 and 26,644.38 is: 39,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,021.08 : 106,528.16 = 26,644.38 : x
  2. Step 2: Convert to fraction form
    71,021.08/106,528.16 = 26,644.38/x
  3. Step 3: Cross multiply
    71,021.08x = 106,528.16 × 26,644.38
  4. Step 4: Simplify right side
    71,021.08x = 2,838,376,775.74
  5. Step 5: Solve for x
    x = 2,838,376,775.74/71,021.08
  6. Step 6: Final answer
    x = 39,965.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.