Home / 77,744.72-107,276.64-43,748.48

Finding the Fourth Proportional to 77,744.72, 107,276.64 and 43,748.48

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Solution

The fourth proportional to 77,744.72, 107,276.64 and 43,748.48 is: 60,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.72 : 107,276.64 = 43,748.48 : x
  2. Step 2: Convert to fraction form
    77,744.72/107,276.64 = 43,748.48/x
  3. Step 3: Cross multiply
    77,744.72x = 107,276.64 × 43,748.48
  4. Step 4: Simplify right side
    77,744.72x = 4,693,189,939.51
  5. Step 5: Solve for x
    x = 4,693,189,939.51/77,744.72
  6. Step 6: Final answer
    x = 60,366.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.