Home / 82,971.22-114,495.78-47,156.26

Finding the Fourth Proportional to 82,971.22, 114,495.78 and 47,156.26

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Solution

The fourth proportional to 82,971.22, 114,495.78 and 47,156.26 is: 65,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971.22 : 114,495.78 = 47,156.26 : x
  2. Step 2: Convert to fraction form
    82,971.22/114,495.78 = 47,156.26/x
  3. Step 3: Cross multiply
    82,971.22x = 114,495.78 × 47,156.26
  4. Step 4: Simplify right side
    82,971.22x = 5,399,192,770.58
  5. Step 5: Solve for x
    x = 5,399,192,770.58/82,971.22
  6. Step 6: Final answer
    x = 65,073.08

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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.