Home / 81,504.31-112,475.87-45,694.33

Finding the Fourth Proportional to 81,504.31, 112,475.87 and 45,694.33

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Solution

The fourth proportional to 81,504.31, 112,475.87 and 45,694.33 is: 63,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,504.31 : 112,475.87 = 45,694.33 : x
  2. Step 2: Convert to fraction form
    81,504.31/112,475.87 = 45,694.33/x
  3. Step 3: Cross multiply
    81,504.31x = 112,475.87 × 45,694.33
  4. Step 4: Simplify right side
    81,504.31x = 5,139,509,520.82
  5. Step 5: Solve for x
    x = 5,139,509,520.82/81,504.31
  6. Step 6: Final answer
    x = 63,058.13

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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.