Home / 50,218.98-75,328.89-12,779.10

Finding the Fourth Proportional to 50,218.98, 75,328.89 and 12,779.10

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Solution

The fourth proportional to 50,218.98, 75,328.89 and 12,779.10 is: 19,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,218.98 : 75,328.89 = 12,779.10 : x
  2. Step 2: Convert to fraction form
    50,218.98/75,328.89 = 12,779.10/x
  3. Step 3: Cross multiply
    50,218.98x = 75,328.89 × 12,779.10
  4. Step 4: Simplify right side
    50,218.98x = 962,635,418.20
  5. Step 5: Solve for x
    x = 962,635,418.20/50,218.98
  6. Step 6: Final answer
    x = 19,168.76

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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.