Home / 51,834.74-71,538.80-29,178.12

Finding the Fourth Proportional to 51,834.74, 71,538.80 and 29,178.12

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Solution

The fourth proportional to 51,834.74, 71,538.80 and 29,178.12 is: 40,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,834.74 : 71,538.80 = 29,178.12 : x
  2. Step 2: Convert to fraction form
    51,834.74/71,538.80 = 29,178.12/x
  3. Step 3: Cross multiply
    51,834.74x = 71,538.80 × 29,178.12
  4. Step 4: Simplify right side
    51,834.74x = 2,087,367,813.44
  5. Step 5: Solve for x
    x = 2,087,367,813.44/51,834.74
  6. Step 6: Final answer
    x = 40,269.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.