Home / 86,334.06-129,518.67-36,414.34

Finding the Fourth Proportional to 86,334.06, 129,518.67 and 36,414.34

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Solution

The fourth proportional to 86,334.06, 129,518.67 and 36,414.34 is: 54,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,334.06 : 129,518.67 = 36,414.34 : x
  2. Step 2: Convert to fraction form
    86,334.06/129,518.67 = 36,414.34/x
  3. Step 3: Cross multiply
    86,334.06x = 129,518.67 × 36,414.34
  4. Step 4: Simplify right side
    86,334.06x = 4,716,336,794.69
  5. Step 5: Solve for x
    x = 4,716,336,794.69/86,334.06
  6. Step 6: Final answer
    x = 54,628.93

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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.