Home / 86,826.52-119,786.34-54,542.17

Finding the Fourth Proportional to 86,826.52, 119,786.34 and 54,542.17

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Solution

The fourth proportional to 86,826.52, 119,786.34 and 54,542.17 is: 75,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.52 : 119,786.34 = 54,542.17 : x
  2. Step 2: Convert to fraction form
    86,826.52/119,786.34 = 54,542.17/x
  3. Step 3: Cross multiply
    86,826.52x = 119,786.34 × 54,542.17
  4. Step 4: Simplify right side
    86,826.52x = 6,533,406,919.96
  5. Step 5: Solve for x
    x = 6,533,406,919.96/86,826.52
  6. Step 6: Final answer
    x = 75,246.67

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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.