Home / 51,790.86-77,690.79-14,350.95

Finding the Fourth Proportional to 51,790.86, 77,690.79 and 14,350.95

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Solution

The fourth proportional to 51,790.86, 77,690.79 and 14,350.95 is: 21,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.86 : 77,690.79 = 14,350.95 : x
  2. Step 2: Convert to fraction form
    51,790.86/77,690.79 = 14,350.95/x
  3. Step 3: Cross multiply
    51,790.86x = 77,690.79 × 14,350.95
  4. Step 4: Simplify right side
    51,790.86x = 1,114,936,642.75
  5. Step 5: Solve for x
    x = 1,114,936,642.75/51,790.86
  6. Step 6: Final answer
    x = 21,527.67

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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.