Home / 74,960.22-112,440.32-30,607.86

Finding the Fourth Proportional to 74,960.22, 112,440.32 and 30,607.86

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Solution

The fourth proportional to 74,960.22, 112,440.32 and 30,607.86 is: 45,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,960.22 : 112,440.32 = 30,607.86 : x
  2. Step 2: Convert to fraction form
    74,960.22/112,440.32 = 30,607.86/x
  3. Step 3: Cross multiply
    74,960.22x = 112,440.32 × 30,607.86
  4. Step 4: Simplify right side
    74,960.22x = 3,441,557,572.92
  5. Step 5: Solve for x
    x = 3,441,557,572.92/74,960.22
  6. Step 6: Final answer
    x = 45,911.79

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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.