Home / 53,176.20-79,745.10-26,872.20

Finding the Fourth Proportional to 53,176.20, 79,745.10 and 26,872.20

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Solution

The fourth proportional to 53,176.20, 79,745.10 and 26,872.20 is: 40,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.20 : 79,745.10 = 26,872.20 : x
  2. Step 2: Convert to fraction form
    53,176.20/79,745.10 = 26,872.20/x
  3. Step 3: Cross multiply
    53,176.20x = 79,745.10 × 26,872.20
  4. Step 4: Simplify right side
    53,176.20x = 2,142,926,276.22
  5. Step 5: Solve for x
    x = 2,142,926,276.22/53,176.20
  6. Step 6: Final answer
    x = 40,298.60

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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.