Home / 84,380.64-126,428.70-50,998.92

Finding the Fourth Proportional to 84,380.64, 126,428.70 and 50,998.92

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Solution

The fourth proportional to 84,380.64, 126,428.70 and 50,998.92 is: 76,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,380.64 : 126,428.70 = 50,998.92 : x
  2. Step 2: Convert to fraction form
    84,380.64/126,428.70 = 50,998.92/x
  3. Step 3: Cross multiply
    84,380.64x = 126,428.70 × 50,998.92
  4. Step 4: Simplify right side
    84,380.64x = 6,447,727,157.00
  5. Step 5: Solve for x
    x = 6,447,727,157.00/84,380.64
  6. Step 6: Final answer
    x = 76,412.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.