Home / 86,384.44-129,595.11-30,226.38

Finding the Fourth Proportional to 86,384.44, 129,595.11 and 30,226.38

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Solution

The fourth proportional to 86,384.44, 129,595.11 and 30,226.38 is: 45,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.44 : 129,595.11 = 30,226.38 : x
  2. Step 2: Convert to fraction form
    86,384.44/129,595.11 = 30,226.38/x
  3. Step 3: Cross multiply
    86,384.44x = 129,595.11 × 30,226.38
  4. Step 4: Simplify right side
    86,384.44x = 3,917,190,889.87
  5. Step 5: Solve for x
    x = 3,917,190,889.87/86,384.44
  6. Step 6: Final answer
    x = 45,346.03

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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.