Home / 47,905.12-71,868.82-16,315.46

Finding the Fourth Proportional to 47,905.12, 71,868.82 and 16,315.46

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Solution

The fourth proportional to 47,905.12, 71,868.82 and 16,315.46 is: 24,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.12 : 71,868.82 = 16,315.46 : x
  2. Step 2: Convert to fraction form
    47,905.12/71,868.82 = 16,315.46/x
  3. Step 3: Cross multiply
    47,905.12x = 71,868.82 × 16,315.46
  4. Step 4: Simplify right side
    47,905.12x = 1,172,572,857.96
  5. Step 5: Solve for x
    x = 1,172,572,857.96/47,905.12
  6. Step 6: Final answer
    x = 24,476.98

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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.