Home / 71,316.30-98,438.37-41,121.75

Finding the Fourth Proportional to 71,316.30, 98,438.37 and 41,121.75

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Solution

The fourth proportional to 71,316.30, 98,438.37 and 41,121.75 is: 56,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.30 : 98,438.37 = 41,121.75 : x
  2. Step 2: Convert to fraction form
    71,316.30/98,438.37 = 41,121.75/x
  3. Step 3: Cross multiply
    71,316.30x = 98,438.37 × 41,121.75
  4. Step 4: Simplify right side
    71,316.30x = 4,047,958,041.55
  5. Step 5: Solve for x
    x = 4,047,958,041.55/71,316.30
  6. Step 6: Final answer
    x = 56,760.63

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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.