Home / 47,192.09-70,812.71-19,132.88

Finding the Fourth Proportional to 47,192.09, 70,812.71 and 19,132.88

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Solution

The fourth proportional to 47,192.09, 70,812.71 and 19,132.88 is: 28,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,192.09 : 70,812.71 = 19,132.88 : x
  2. Step 2: Convert to fraction form
    47,192.09/70,812.71 = 19,132.88/x
  3. Step 3: Cross multiply
    47,192.09x = 70,812.71 × 19,132.88
  4. Step 4: Simplify right side
    47,192.09x = 1,354,850,633.18
  5. Step 5: Solve for x
    x = 1,354,850,633.18/47,192.09
  6. Step 6: Final answer
    x = 28,709.28

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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.