Home / 45,566.89-68,353.91-12,286.45

Finding the Fourth Proportional to 45,566.89, 68,353.91 and 12,286.45

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Solution

The fourth proportional to 45,566.89, 68,353.91 and 12,286.45 is: 18,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,566.89 : 68,353.91 = 12,286.45 : x
  2. Step 2: Convert to fraction form
    45,566.89/68,353.91 = 12,286.45/x
  3. Step 3: Cross multiply
    45,566.89x = 68,353.91 × 12,286.45
  4. Step 4: Simplify right side
    45,566.89x = 839,826,897.52
  5. Step 5: Solve for x
    x = 839,826,897.52/45,566.89
  6. Step 6: Final answer
    x = 18,430.64

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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.