Home / 71,336.45-98,420.13-41,120.82

Finding the Fourth Proportional to 71,336.45, 98,420.13 and 41,120.82

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Solution

The fourth proportional to 71,336.45, 98,420.13 and 41,120.82 is: 56,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.45 : 98,420.13 = 41,120.82 : x
  2. Step 2: Convert to fraction form
    71,336.45/98,420.13 = 41,120.82/x
  3. Step 3: Cross multiply
    71,336.45x = 98,420.13 × 41,120.82
  4. Step 4: Simplify right side
    71,336.45x = 4,047,116,450.11
  5. Step 5: Solve for x
    x = 4,047,116,450.11/71,336.45
  6. Step 6: Final answer
    x = 56,732.80

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1.5x scale

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.