Home / 47,009.34-70,520.62-13,731.84

Finding the Fourth Proportional to 47,009.34, 70,520.62 and 13,731.84

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Solution

The fourth proportional to 47,009.34, 70,520.62 and 13,731.84 is: 20,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.34 : 70,520.62 = 13,731.84 : x
  2. Step 2: Convert to fraction form
    47,009.34/70,520.62 = 13,731.84/x
  3. Step 3: Cross multiply
    47,009.34x = 70,520.62 × 13,731.84
  4. Step 4: Simplify right side
    47,009.34x = 968,377,870.54
  5. Step 5: Solve for x
    x = 968,377,870.54/47,009.34
  6. Step 6: Final answer
    x = 20,599.69

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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.