Home / 47,390.93-71,084.13-11,852.47

Finding the Fourth Proportional to 47,390.93, 71,084.13 and 11,852.47

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Solution

The fourth proportional to 47,390.93, 71,084.13 and 11,852.47 is: 17,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.93 : 71,084.13 = 11,852.47 : x
  2. Step 2: Convert to fraction form
    47,390.93/71,084.13 = 11,852.47/x
  3. Step 3: Cross multiply
    47,390.93x = 71,084.13 × 11,852.47
  4. Step 4: Simplify right side
    47,390.93x = 842,522,518.30
  5. Step 5: Solve for x
    x = 842,522,518.30/47,390.93
  6. Step 6: Final answer
    x = 17,778.14

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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.