Home / 71,289.10-98,381.28-41,072.05

Finding the Fourth Proportional to 71,289.10, 98,381.28 and 41,072.05

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Solution

The fourth proportional to 71,289.10, 98,381.28 and 41,072.05 is: 56,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,289.10 : 98,381.28 = 41,072.05 : x
  2. Step 2: Convert to fraction form
    71,289.10/98,381.28 = 41,072.05/x
  3. Step 3: Cross multiply
    71,289.10x = 98,381.28 × 41,072.05
  4. Step 4: Simplify right side
    71,289.10x = 4,040,720,851.22
  5. Step 5: Solve for x
    x = 4,040,720,851.22/71,289.10
  6. Step 6: Final answer
    x = 56,680.77

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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.