Home / 49,771.88-74,656.91-12,332.05

Finding the Fourth Proportional to 49,771.88, 74,656.91 and 12,332.05

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Solution

The fourth proportional to 49,771.88, 74,656.91 and 12,332.05 is: 18,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.88 : 74,656.91 = 12,332.05 : x
  2. Step 2: Convert to fraction form
    49,771.88/74,656.91 = 12,332.05/x
  3. Step 3: Cross multiply
    49,771.88x = 74,656.91 × 12,332.05
  4. Step 4: Simplify right side
    49,771.88x = 920,672,521.79
  5. Step 5: Solve for x
    x = 920,672,521.79/49,771.88
  6. Step 6: Final answer
    x = 18,497.84

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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.