Home / 53,271.40-79,878.30-22,109.80

Finding the Fourth Proportional to 53,271.40, 79,878.30 and 22,109.80

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Solution

The fourth proportional to 53,271.40, 79,878.30 and 22,109.80 is: 33,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.40 : 79,878.30 = 22,109.80 : x
  2. Step 2: Convert to fraction form
    53,271.40/79,878.30 = 22,109.80/x
  3. Step 3: Cross multiply
    53,271.40x = 79,878.30 × 22,109.80
  4. Step 4: Simplify right side
    53,271.40x = 1,766,093,237.34
  5. Step 5: Solve for x
    x = 1,766,093,237.34/53,271.40
  6. Step 6: Final answer
    x = 33,152.75

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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.