Home / 86,942.11-130,324.93-49,424.66

Finding the Fourth Proportional to 86,942.11, 130,324.93 and 49,424.66

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Solution

The fourth proportional to 86,942.11, 130,324.93 and 49,424.66 is: 74,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,942.11 : 130,324.93 = 49,424.66 : x
  2. Step 2: Convert to fraction form
    86,942.11/130,324.93 = 49,424.66/x
  3. Step 3: Cross multiply
    86,942.11x = 130,324.93 × 49,424.66
  4. Step 4: Simplify right side
    86,942.11x = 6,441,266,079.40
  5. Step 5: Solve for x
    x = 6,441,266,079.40/86,942.11
  6. Step 6: Final answer
    x = 74,086.84

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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.