Home / 86,027.94-129,012.48-32,707.05

Finding the Fourth Proportional to 86,027.94, 129,012.48 and 32,707.05

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Solution

The fourth proportional to 86,027.94, 129,012.48 and 32,707.05 is: 49,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,027.94 : 129,012.48 = 32,707.05 : x
  2. Step 2: Convert to fraction form
    86,027.94/129,012.48 = 32,707.05/x
  3. Step 3: Cross multiply
    86,027.94x = 129,012.48 × 32,707.05
  4. Step 4: Simplify right side
    86,027.94x = 4,219,617,633.98
  5. Step 5: Solve for x
    x = 4,219,617,633.98/86,027.94
  6. Step 6: Final answer
    x = 49,049.39

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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.