Home / 74,763.38-112,133.94-30,389.96

Finding the Fourth Proportional to 74,763.38, 112,133.94 and 30,389.96

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Solution

The fourth proportional to 74,763.38, 112,133.94 and 30,389.96 is: 45,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,763.38 : 112,133.94 = 30,389.96 : x
  2. Step 2: Convert to fraction form
    74,763.38/112,133.94 = 30,389.96/x
  3. Step 3: Cross multiply
    74,763.38x = 112,133.94 × 30,389.96
  4. Step 4: Simplify right side
    74,763.38x = 3,407,745,951.24
  5. Step 5: Solve for x
    x = 3,407,745,951.24/74,763.38
  6. Step 6: Final answer
    x = 45,580.42

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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.