Home / 86,823.65-130,238.21-29,896.96

Finding the Fourth Proportional to 86,823.65, 130,238.21 and 29,896.96

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Solution

The fourth proportional to 86,823.65, 130,238.21 and 29,896.96 is: 44,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,823.65 : 130,238.21 = 29,896.96 : x
  2. Step 2: Convert to fraction form
    86,823.65/130,238.21 = 29,896.96/x
  3. Step 3: Cross multiply
    86,823.65x = 130,238.21 × 29,896.96
  4. Step 4: Simplify right side
    86,823.65x = 3,893,726,554.84
  5. Step 5: Solve for x
    x = 3,893,726,554.84/86,823.65
  6. Step 6: Final answer
    x = 44,846.38

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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.