Home / 86,299.35-119,031.76-57,604.55

Finding the Fourth Proportional to 86,299.35, 119,031.76 and 57,604.55

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Solution

The fourth proportional to 86,299.35, 119,031.76 and 57,604.55 is: 79,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.35 : 119,031.76 = 57,604.55 : x
  2. Step 2: Convert to fraction form
    86,299.35/119,031.76 = 57,604.55/x
  3. Step 3: Cross multiply
    86,299.35x = 119,031.76 × 57,604.55
  4. Step 4: Simplify right side
    86,299.35x = 6,856,770,231.34
  5. Step 5: Solve for x
    x = 6,856,770,231.34/86,299.35
  6. Step 6: Final answer
    x = 79,453.32

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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.