Home / 47,236.72-70,842.04-13,953.28

Finding the Fourth Proportional to 47,236.72, 70,842.04 and 13,953.28

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Solution

The fourth proportional to 47,236.72, 70,842.04 and 13,953.28 is: 20,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.72 : 70,842.04 = 13,953.28 : x
  2. Step 2: Convert to fraction form
    47,236.72/70,842.04 = 13,953.28/x
  3. Step 3: Cross multiply
    47,236.72x = 70,842.04 × 13,953.28
  4. Step 4: Simplify right side
    47,236.72x = 988,478,819.89
  5. Step 5: Solve for x
    x = 988,478,819.89/47,236.72
  6. Step 6: Final answer
    x = 20,926.07

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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.