Home / 84,215.50-126,260.06-50,928.74

Finding the Fourth Proportional to 84,215.50, 126,260.06 and 50,928.74

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Solution

The fourth proportional to 84,215.50, 126,260.06 and 50,928.74 is: 76,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,215.50 : 126,260.06 = 50,928.74 : x
  2. Step 2: Convert to fraction form
    84,215.50/126,260.06 = 50,928.74/x
  3. Step 3: Cross multiply
    84,215.50x = 126,260.06 × 50,928.74
  4. Step 4: Simplify right side
    84,215.50x = 6,430,265,768.12
  5. Step 5: Solve for x
    x = 6,430,265,768.12/84,215.50
  6. Step 6: Final answer
    x = 76,354.90

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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.