Home / 81,933.48-113,068.98-46,116.54

Finding the Fourth Proportional to 81,933.48, 113,068.98 and 46,116.54

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Solution

The fourth proportional to 81,933.48, 113,068.98 and 46,116.54 is: 63,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,933.48 : 113,068.98 = 46,116.54 : x
  2. Step 2: Convert to fraction form
    81,933.48/113,068.98 = 46,116.54/x
  3. Step 3: Cross multiply
    81,933.48x = 113,068.98 × 46,116.54
  4. Step 4: Simplify right side
    81,933.48x = 5,214,350,138.93
  5. Step 5: Solve for x
    x = 5,214,350,138.93/81,933.48
  6. Step 6: Final answer
    x = 63,641.26

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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.