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Finding the Fourth Proportional to 84,086.65, 116,039.00 and 46,360.90

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Solution

The fourth proportional to 84,086.65, 116,039.00 and 46,360.90 is: 63,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,086.65 : 116,039.00 = 46,360.90 : x
  2. Step 2: Convert to fraction form
    84,086.65/116,039.00 = 46,360.90/x
  3. Step 3: Cross multiply
    84,086.65x = 116,039.00 × 46,360.90
  4. Step 4: Simplify right side
    84,086.65x = 5,379,672,300.90
  5. Step 5: Solve for x
    x = 5,379,672,300.90/84,086.65
  6. Step 6: Final answer
    x = 63,977.72

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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.