Home / 47,192.68-70,787.40-13,911.40

Finding the Fourth Proportional to 47,192.68, 70,787.40 and 13,911.40

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Solution

The fourth proportional to 47,192.68, 70,787.40 and 13,911.40 is: 20,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,192.68 : 70,787.40 = 13,911.40 : x
  2. Step 2: Convert to fraction form
    47,192.68/70,787.40 = 13,911.40/x
  3. Step 3: Cross multiply
    47,192.68x = 70,787.40 × 13,911.40
  4. Step 4: Simplify right side
    47,192.68x = 984,751,836.36
  5. Step 5: Solve for x
    x = 984,751,836.36/47,192.68
  6. Step 6: Final answer
    x = 20,866.62

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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.