Home / 47,905.16-71,868.86-16,315.50

Finding the Fourth Proportional to 47,905.16, 71,868.86 and 16,315.50

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Solution

The fourth proportional to 47,905.16, 71,868.86 and 16,315.50 is: 24,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.16 : 71,868.86 = 16,315.50 : x
  2. Step 2: Convert to fraction form
    47,905.16/71,868.86 = 16,315.50/x
  3. Step 3: Cross multiply
    47,905.16x = 71,868.86 × 16,315.50
  4. Step 4: Simplify right side
    47,905.16x = 1,172,576,066.77
  5. Step 5: Solve for x
    x = 1,172,576,066.77/47,905.16
  6. Step 6: Final answer
    x = 24,477.03

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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.