Home / 86,027.42-129,011.86-32,706.54

Finding the Fourth Proportional to 86,027.42, 129,011.86 and 32,706.54

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Solution

The fourth proportional to 86,027.42, 129,011.86 and 32,706.54 is: 49,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,027.42 : 129,011.86 = 32,706.54 : x
  2. Step 2: Convert to fraction form
    86,027.42/129,011.86 = 32,706.54/x
  3. Step 3: Cross multiply
    86,027.42x = 129,011.86 × 32,706.54
  4. Step 4: Simplify right side
    86,027.42x = 4,219,531,559.56
  5. Step 5: Solve for x
    x = 4,219,531,559.56/86,027.42
  6. Step 6: Final answer
    x = 49,048.68

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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.