Home / 86,914.45-130,392.01-26,939.79

Finding the Fourth Proportional to 86,914.45, 130,392.01 and 26,939.79

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Solution

The fourth proportional to 86,914.45, 130,392.01 and 26,939.79 is: 40,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.45 : 130,392.01 = 26,939.79 : x
  2. Step 2: Convert to fraction form
    86,914.45/130,392.01 = 26,939.79/x
  3. Step 3: Cross multiply
    86,914.45x = 130,392.01 × 26,939.79
  4. Step 4: Simplify right side
    86,914.45x = 3,512,732,580.42
  5. Step 5: Solve for x
    x = 3,512,732,580.42/86,914.45
  6. Step 6: Final answer
    x = 40,415.98

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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.