Home / 101,554.02-152,367.48-45,389.43

Finding the Fourth Proportional to 101,554.02, 152,367.48 and 45,389.43

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Solution

The fourth proportional to 101,554.02, 152,367.48 and 45,389.43 is: 68,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,554.02 : 152,367.48 = 45,389.43 : x
  2. Step 2: Convert to fraction form
    101,554.02/152,367.48 = 45,389.43/x
  3. Step 3: Cross multiply
    101,554.02x = 152,367.48 × 45,389.43
  4. Step 4: Simplify right side
    101,554.02x = 6,915,873,067.74
  5. Step 5: Solve for x
    x = 6,915,873,067.74/101,554.02
  6. Step 6: Final answer
    x = 68,100.44

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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.