Home / 50,045.22-75,065.16-12,605.25

Finding the Fourth Proportional to 50,045.22, 75,065.16 and 12,605.25

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Solution

The fourth proportional to 50,045.22, 75,065.16 and 12,605.25 is: 18,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.22 : 75,065.16 = 12,605.25 : x
  2. Step 2: Convert to fraction form
    50,045.22/75,065.16 = 12,605.25/x
  3. Step 3: Cross multiply
    50,045.22x = 75,065.16 × 12,605.25
  4. Step 4: Simplify right side
    50,045.22x = 946,215,108.09
  5. Step 5: Solve for x
    x = 946,215,108.09/50,045.22
  6. Step 6: Final answer
    x = 18,907.20

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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.