Home / 75,956.76-104,811.30-45,741.60

Finding the Fourth Proportional to 75,956.76, 104,811.30 and 45,741.60

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Solution

The fourth proportional to 75,956.76, 104,811.30 and 45,741.60 is: 63,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,956.76 : 104,811.30 = 45,741.60 : x
  2. Step 2: Convert to fraction form
    75,956.76/104,811.30 = 45,741.60/x
  3. Step 3: Cross multiply
    75,956.76x = 104,811.30 × 45,741.60
  4. Step 4: Simplify right side
    75,956.76x = 4,794,236,560.08
  5. Step 5: Solve for x
    x = 4,794,236,560.08/75,956.76
  6. Step 6: Final answer
    x = 63,117.97

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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.