Home / 79,742.63-110,040.57-45,744.09

Finding the Fourth Proportional to 79,742.63, 110,040.57 and 45,744.09

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Solution

The fourth proportional to 79,742.63, 110,040.57 and 45,744.09 is: 63,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.63 : 110,040.57 = 45,744.09 : x
  2. Step 2: Convert to fraction form
    79,742.63/110,040.57 = 45,744.09/x
  3. Step 3: Cross multiply
    79,742.63x = 110,040.57 × 45,744.09
  4. Step 4: Simplify right side
    79,742.63x = 5,033,705,737.73
  5. Step 5: Solve for x
    x = 5,033,705,737.73/79,742.63
  6. Step 6: Final answer
    x = 63,124.40

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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.