Home / 50,883.12-76,279.32-19,711.08

Finding the Fourth Proportional to 50,883.12, 76,279.32 and 19,711.08

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Solution

The fourth proportional to 50,883.12, 76,279.32 and 19,711.08 is: 29,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,883.12 : 76,279.32 = 19,711.08 : x
  2. Step 2: Convert to fraction form
    50,883.12/76,279.32 = 19,711.08/x
  3. Step 3: Cross multiply
    50,883.12x = 76,279.32 × 19,711.08
  4. Step 4: Simplify right side
    50,883.12x = 1,503,547,778.87
  5. Step 5: Solve for x
    x = 1,503,547,778.87/50,883.12
  6. Step 6: Final answer
    x = 29,549.05

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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.