Home / 101,274.24-152,006.70-51,390.15

Finding the Fourth Proportional to 101,274.24, 152,006.70 and 51,390.15

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Solution

The fourth proportional to 101,274.24, 152,006.70 and 51,390.15 is: 77,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,274.24 : 152,006.70 = 51,390.15 : x
  2. Step 2: Convert to fraction form
    101,274.24/152,006.70 = 51,390.15/x
  3. Step 3: Cross multiply
    101,274.24x = 152,006.70 × 51,390.15
  4. Step 4: Simplify right side
    101,274.24x = 7,811,647,114.01
  5. Step 5: Solve for x
    x = 7,811,647,114.01/101,274.24
  6. Step 6: Final answer
    x = 77,133.60

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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.