Home / 86,942.86-130,326.06-49,425.41

Finding the Fourth Proportional to 86,942.86, 130,326.06 and 49,425.41

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Solution

The fourth proportional to 86,942.86, 130,326.06 and 49,425.41 is: 74,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,942.86 : 130,326.06 = 49,425.41 : x
  2. Step 2: Convert to fraction form
    86,942.86/130,326.06 = 49,425.41/x
  3. Step 3: Cross multiply
    86,942.86x = 130,326.06 × 49,425.41
  4. Step 4: Simplify right side
    86,942.86x = 6,441,419,275.00
  5. Step 5: Solve for x
    x = 6,441,419,275.00/86,942.86
  6. Step 6: Final answer
    x = 74,087.96

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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.