Home / 84,928.86-117,213.20-54,801.77

Finding the Fourth Proportional to 84,928.86, 117,213.20 and 54,801.77

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Solution

The fourth proportional to 84,928.86, 117,213.20 and 54,801.77 is: 75,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,928.86 : 117,213.20 = 54,801.77 : x
  2. Step 2: Convert to fraction form
    84,928.86/117,213.20 = 54,801.77/x
  3. Step 3: Cross multiply
    84,928.86x = 117,213.20 × 54,801.77
  4. Step 4: Simplify right side
    84,928.86x = 6,423,490,983.39
  5. Step 5: Solve for x
    x = 6,423,490,983.39/84,928.86
  6. Step 6: Final answer
    x = 75,633.78

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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.