Home / 73,100.21-100,878.30-41,271.15

Finding the Fourth Proportional to 73,100.21, 100,878.30 and 41,271.15

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Solution

The fourth proportional to 73,100.21, 100,878.30 and 41,271.15 is: 56,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100.21 : 100,878.30 = 41,271.15 : x
  2. Step 2: Convert to fraction form
    73,100.21/100,878.30 = 41,271.15/x
  3. Step 3: Cross multiply
    73,100.21x = 100,878.30 × 41,271.15
  4. Step 4: Simplify right side
    73,100.21x = 4,163,363,451.05
  5. Step 5: Solve for x
    x = 4,163,363,451.05/73,100.21
  6. Step 6: Final answer
    x = 56,954.20

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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.