Home / 76,864.25-106,072.67-43,330.25

Finding the Fourth Proportional to 76,864.25, 106,072.67 and 43,330.25

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Solution

The fourth proportional to 76,864.25, 106,072.67 and 43,330.25 is: 59,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,864.25 : 106,072.67 = 43,330.25 : x
  2. Step 2: Convert to fraction form
    76,864.25/106,072.67 = 43,330.25/x
  3. Step 3: Cross multiply
    76,864.25x = 106,072.67 × 43,330.25
  4. Step 4: Simplify right side
    76,864.25x = 4,596,155,309.27
  5. Step 5: Solve for x
    x = 4,596,155,309.27/76,864.25
  6. Step 6: Final answer
    x = 59,795.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.