Home / 71,453.14-107,145.08-21,523.93

Finding the Fourth Proportional to 71,453.14, 107,145.08 and 21,523.93

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Solution

The fourth proportional to 71,453.14, 107,145.08 and 21,523.93 is: 32,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.14 : 107,145.08 = 21,523.93 : x
  2. Step 2: Convert to fraction form
    71,453.14/107,145.08 = 21,523.93/x
  3. Step 3: Cross multiply
    71,453.14x = 107,145.08 × 21,523.93
  4. Step 4: Simplify right side
    71,453.14x = 2,306,182,907.00
  5. Step 5: Solve for x
    x = 2,306,182,907.00/71,453.14
  6. Step 6: Final answer
    x = 32,275.46

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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.