Home / 86,529.96-119,412.90-50,745.78

Finding the Fourth Proportional to 86,529.96, 119,412.90 and 50,745.78

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Solution

The fourth proportional to 86,529.96, 119,412.90 and 50,745.78 is: 70,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,529.96 : 119,412.90 = 50,745.78 : x
  2. Step 2: Convert to fraction form
    86,529.96/119,412.90 = 50,745.78/x
  3. Step 3: Cross multiply
    86,529.96x = 119,412.90 × 50,745.78
  4. Step 4: Simplify right side
    86,529.96x = 6,059,700,752.56
  5. Step 5: Solve for x
    x = 6,059,700,752.56/86,529.96
  6. Step 6: Final answer
    x = 70,030.09

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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.