Home / 84,454.86-116,496.92-55,774.78

Finding the Fourth Proportional to 84,454.86, 116,496.92 and 55,774.78

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Solution

The fourth proportional to 84,454.86, 116,496.92 and 55,774.78 is: 76,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,454.86 : 116,496.92 = 55,774.78 : x
  2. Step 2: Convert to fraction form
    84,454.86/116,496.92 = 55,774.78/x
  3. Step 3: Cross multiply
    84,454.86x = 116,496.92 × 55,774.78
  4. Step 4: Simplify right side
    84,454.86x = 6,497,590,083.68
  5. Step 5: Solve for x
    x = 6,497,590,083.68/84,454.86
  6. Step 6: Final answer
    x = 76,935.66

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1.5x scale

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.