Home / 47,118.84-70,687.01-15,531.12

Finding the Fourth Proportional to 47,118.84, 70,687.01 and 15,531.12

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Solution

The fourth proportional to 47,118.84, 70,687.01 and 15,531.12 is: 23,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.84 : 70,687.01 = 15,531.12 : x
  2. Step 2: Convert to fraction form
    47,118.84/70,687.01 = 15,531.12/x
  3. Step 3: Cross multiply
    47,118.84x = 70,687.01 × 15,531.12
  4. Step 4: Simplify right side
    47,118.84x = 1,097,848,274.77
  5. Step 5: Solve for x
    x = 1,097,848,274.77/47,118.84
  6. Step 6: Final answer
    x = 23,299.56

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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.