Home / 81,876.86-112,983.98-46,059.96

Finding the Fourth Proportional to 81,876.86, 112,983.98 and 46,059.96

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Solution

The fourth proportional to 81,876.86, 112,983.98 and 46,059.96 is: 63,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,876.86 : 112,983.98 = 46,059.96 : x
  2. Step 2: Convert to fraction form
    81,876.86/112,983.98 = 46,059.96/x
  3. Step 3: Cross multiply
    81,876.86x = 112,983.98 × 46,059.96
  4. Step 4: Simplify right side
    81,876.86x = 5,204,037,369.14
  5. Step 5: Solve for x
    x = 5,204,037,369.14/81,876.86
  6. Step 6: Final answer
    x = 63,559.32

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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.