Home / 47,811.47-71,848.42-45,094.12

Finding the Fourth Proportional to 47,811.47, 71,848.42 and 45,094.12

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Solution

The fourth proportional to 47,811.47, 71,848.42 and 45,094.12 is: 67,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.47 : 71,848.42 = 45,094.12 : x
  2. Step 2: Convert to fraction form
    47,811.47/71,848.42 = 45,094.12/x
  3. Step 3: Cross multiply
    47,811.47x = 71,848.42 × 45,094.12
  4. Step 4: Simplify right side
    47,811.47x = 3,239,940,980.93
  5. Step 5: Solve for x
    x = 3,239,940,980.93/47,811.47
  6. Step 6: Final answer
    x = 67,764.94

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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.