Home / 86,610.06-129,928.73-33,299.91

Finding the Fourth Proportional to 86,610.06, 129,928.73 and 33,299.91

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Solution

The fourth proportional to 86,610.06, 129,928.73 and 33,299.91 is: 49,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,610.06 : 129,928.73 = 33,299.91 : x
  2. Step 2: Convert to fraction form
    86,610.06/129,928.73 = 33,299.91/x
  3. Step 3: Cross multiply
    86,610.06x = 129,928.73 × 33,299.91
  4. Step 4: Simplify right side
    86,610.06x = 4,326,614,848.91
  5. Step 5: Solve for x
    x = 4,326,614,848.91/86,610.06
  6. Step 6: Final answer
    x = 49,955.11

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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.