Home / 47,186.34-70,746.71-20,876.73

Finding the Fourth Proportional to 47,186.34, 70,746.71 and 20,876.73

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Solution

The fourth proportional to 47,186.34, 70,746.71 and 20,876.73 is: 31,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.34 : 70,746.71 = 20,876.73 : x
  2. Step 2: Convert to fraction form
    47,186.34/70,746.71 = 20,876.73/x
  3. Step 3: Cross multiply
    47,186.34x = 70,746.71 × 20,876.73
  4. Step 4: Simplify right side
    47,186.34x = 1,476,959,858.67
  5. Step 5: Solve for x
    x = 1,476,959,858.67/47,186.34
  6. Step 6: Final answer
    x = 31,300.58

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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.