Home / 46,709.68-70,076.20-13,429.75

Finding the Fourth Proportional to 46,709.68, 70,076.20 and 13,429.75

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Solution

The fourth proportional to 46,709.68, 70,076.20 and 13,429.75 is: 20,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,709.68 : 70,076.20 = 13,429.75 : x
  2. Step 2: Convert to fraction form
    46,709.68/70,076.20 = 13,429.75/x
  3. Step 3: Cross multiply
    46,709.68x = 70,076.20 × 13,429.75
  4. Step 4: Simplify right side
    46,709.68x = 941,105,846.95
  5. Step 5: Solve for x
    x = 941,105,846.95/46,709.68
  6. Step 6: Final answer
    x = 20,147.98

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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.