Home / 53,213.60-79,872.32-43,948.01

Finding the Fourth Proportional to 53,213.60, 79,872.32 and 43,948.01

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Solution

The fourth proportional to 53,213.60, 79,872.32 and 43,948.01 is: 65,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.60 : 79,872.32 = 43,948.01 : x
  2. Step 2: Convert to fraction form
    53,213.60/79,872.32 = 43,948.01/x
  3. Step 3: Cross multiply
    53,213.60x = 79,872.32 × 43,948.01
  4. Step 4: Simplify right side
    53,213.60x = 3,510,228,898.98
  5. Step 5: Solve for x
    x = 3,510,228,898.98/53,213.60
  6. Step 6: Final answer
    x = 65,964.89

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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.