Home / 71,330.70-98,436.21-41,115.82

Finding the Fourth Proportional to 71,330.70, 98,436.21 and 41,115.82

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Solution

The fourth proportional to 71,330.70, 98,436.21 and 41,115.82 is: 56,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.70 : 98,436.21 = 41,115.82 : x
  2. Step 2: Convert to fraction form
    71,330.70/98,436.21 = 41,115.82/x
  3. Step 3: Cross multiply
    71,330.70x = 98,436.21 × 41,115.82
  4. Step 4: Simplify right side
    71,330.70x = 4,047,285,491.84
  5. Step 5: Solve for x
    x = 4,047,285,491.84/71,330.70
  6. Step 6: Final answer
    x = 56,739.74

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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.