Home / 76,079.44-104,977.38-47,823.40

Finding the Fourth Proportional to 76,079.44, 104,977.38 and 47,823.40

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Solution

The fourth proportional to 76,079.44, 104,977.38 and 47,823.40 is: 65,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079.44 : 104,977.38 = 47,823.40 : x
  2. Step 2: Convert to fraction form
    76,079.44/104,977.38 = 47,823.40/x
  3. Step 3: Cross multiply
    76,079.44x = 104,977.38 × 47,823.40
  4. Step 4: Simplify right side
    76,079.44x = 5,020,375,234.69
  5. Step 5: Solve for x
    x = 5,020,375,234.69/76,079.44
  6. Step 6: Final answer
    x = 65,988.59

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1.5x scale

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.