Home / 81,673.34-112,677.04-47,195.28

Finding the Fourth Proportional to 81,673.34, 112,677.04 and 47,195.28

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Solution

The fourth proportional to 81,673.34, 112,677.04 and 47,195.28 is: 65,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,673.34 : 112,677.04 = 47,195.28 : x
  2. Step 2: Convert to fraction form
    81,673.34/112,677.04 = 47,195.28/x
  3. Step 3: Cross multiply
    81,673.34x = 112,677.04 × 47,195.28
  4. Step 4: Simplify right side
    81,673.34x = 5,317,824,511.37
  5. Step 5: Solve for x
    x = 5,317,824,511.37/81,673.34
  6. Step 6: Final answer
    x = 65,110.90

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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.