Home / 84,314.32-116,378.04-55,654.88

Finding the Fourth Proportional to 84,314.32, 116,378.04 and 55,654.88

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Solution

The fourth proportional to 84,314.32, 116,378.04 and 55,654.88 is: 76,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.32 : 116,378.04 = 55,654.88 : x
  2. Step 2: Convert to fraction form
    84,314.32/116,378.04 = 55,654.88/x
  3. Step 3: Cross multiply
    84,314.32x = 116,378.04 × 55,654.88
  4. Step 4: Simplify right side
    84,314.32x = 6,477,005,850.84
  5. Step 5: Solve for x
    x = 6,477,005,850.84/84,314.32
  6. Step 6: Final answer
    x = 76,819.76

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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.