Home / 86,810.01-130,179.37-27,629.79

Finding the Fourth Proportional to 86,810.01, 130,179.37 and 27,629.79

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Solution

The fourth proportional to 86,810.01, 130,179.37 and 27,629.79 is: 41,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.01 : 130,179.37 = 27,629.79 : x
  2. Step 2: Convert to fraction form
    86,810.01/130,179.37 = 27,629.79/x
  3. Step 3: Cross multiply
    86,810.01x = 130,179.37 × 27,629.79
  4. Step 4: Simplify right side
    86,810.01x = 3,596,828,655.43
  5. Step 5: Solve for x
    x = 3,596,828,655.43/86,810.01
  6. Step 6: Final answer
    x = 41,433.34

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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.