Home / 84,530.10-126,820.56-33,928.98

Finding the Fourth Proportional to 84,530.10, 126,820.56 and 33,928.98

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Solution

The fourth proportional to 84,530.10, 126,820.56 and 33,928.98 is: 50,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,530.10 : 126,820.56 = 33,928.98 : x
  2. Step 2: Convert to fraction form
    84,530.10/126,820.56 = 33,928.98/x
  3. Step 3: Cross multiply
    84,530.10x = 126,820.56 × 33,928.98
  4. Step 4: Simplify right side
    84,530.10x = 4,302,892,243.83
  5. Step 5: Solve for x
    x = 4,302,892,243.83/84,530.10
  6. Step 6: Final answer
    x = 50,903.67

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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.