Home / 77,670.38-116,318.72-44,289.23

Finding the Fourth Proportional to 77,670.38, 116,318.72 and 44,289.23

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Solution

The fourth proportional to 77,670.38, 116,318.72 and 44,289.23 is: 66,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,670.38 : 116,318.72 = 44,289.23 : x
  2. Step 2: Convert to fraction form
    77,670.38/116,318.72 = 44,289.23/x
  3. Step 3: Cross multiply
    77,670.38x = 116,318.72 × 44,289.23
  4. Step 4: Simplify right side
    77,670.38x = 5,151,665,740.35
  5. Step 5: Solve for x
    x = 5,151,665,740.35/77,670.38
  6. Step 6: Final answer
    x = 66,327.29

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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.