Home / 47,852.10-71,772.66-12,794.58

Finding the Fourth Proportional to 47,852.10, 71,772.66 and 12,794.58

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Solution

The fourth proportional to 47,852.10, 71,772.66 and 12,794.58 is: 19,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,852.10 : 71,772.66 = 12,794.58 : x
  2. Step 2: Convert to fraction form
    47,852.10/71,772.66 = 12,794.58/x
  3. Step 3: Cross multiply
    47,852.10x = 71,772.66 × 12,794.58
  4. Step 4: Simplify right side
    47,852.10x = 918,301,040.18
  5. Step 5: Solve for x
    x = 918,301,040.18/47,852.10
  6. Step 6: Final answer
    x = 19,190.40

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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.