Home / 86,889.51-130,336.54-27,725.12

Finding the Fourth Proportional to 86,889.51, 130,336.54 and 27,725.12

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Solution

The fourth proportional to 86,889.51, 130,336.54 and 27,725.12 is: 41,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,889.51 : 130,336.54 = 27,725.12 : x
  2. Step 2: Convert to fraction form
    86,889.51/130,336.54 = 27,725.12/x
  3. Step 3: Cross multiply
    86,889.51x = 130,336.54 × 27,725.12
  4. Step 4: Simplify right side
    86,889.51x = 3,613,596,685.46
  5. Step 5: Solve for x
    x = 3,613,596,685.46/86,889.51
  6. Step 6: Final answer
    x = 41,588.41

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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.