Home / 51,939.60-77,860.08-16,854.72

Finding the Fourth Proportional to 51,939.60, 77,860.08 and 16,854.72

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Solution

The fourth proportional to 51,939.60, 77,860.08 and 16,854.72 is: 25,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.60 : 77,860.08 = 16,854.72 : x
  2. Step 2: Convert to fraction form
    51,939.60/77,860.08 = 16,854.72/x
  3. Step 3: Cross multiply
    51,939.60x = 77,860.08 × 16,854.72
  4. Step 4: Simplify right side
    51,939.60x = 1,312,309,847.58
  5. Step 5: Solve for x
    x = 1,312,309,847.58/51,939.60
  6. Step 6: Final answer
    x = 25,266.08

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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.