Home / 53,170.51-79,779.23-28,204.44

Finding the Fourth Proportional to 53,170.51, 79,779.23 and 28,204.44

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Solution

The fourth proportional to 53,170.51, 79,779.23 and 28,204.44 is: 42,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.51 : 79,779.23 = 28,204.44 : x
  2. Step 2: Convert to fraction form
    53,170.51/79,779.23 = 28,204.44/x
  3. Step 3: Cross multiply
    53,170.51x = 79,779.23 × 28,204.44
  4. Step 4: Simplify right side
    53,170.51x = 2,250,128,418.68
  5. Step 5: Solve for x
    x = 2,250,128,418.68/53,170.51
  6. Step 6: Final answer
    x = 42,319.10

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1.5x scale

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.