Home / 86,913.36-130,359.24-27,755.28

Finding the Fourth Proportional to 86,913.36, 130,359.24 and 27,755.28

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Solution

The fourth proportional to 86,913.36, 130,359.24 and 27,755.28 is: 41,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.36 : 130,359.24 = 27,755.28 : x
  2. Step 2: Convert to fraction form
    86,913.36/130,359.24 = 27,755.28/x
  3. Step 3: Cross multiply
    86,913.36x = 130,359.24 × 27,755.28
  4. Step 4: Simplify right side
    86,913.36x = 3,618,157,206.79
  5. Step 5: Solve for x
    x = 3,618,157,206.79/86,913.36
  6. Step 6: Final answer
    x = 41,629.47

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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.