Home / 77,894.09-116,884.88-31,150.61

Finding the Fourth Proportional to 77,894.09, 116,884.88 and 31,150.61

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Solution

The fourth proportional to 77,894.09, 116,884.88 and 31,150.61 is: 46,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,894.09 : 116,884.88 = 31,150.61 : x
  2. Step 2: Convert to fraction form
    77,894.09/116,884.88 = 31,150.61/x
  3. Step 3: Cross multiply
    77,894.09x = 116,884.88 × 31,150.61
  4. Step 4: Simplify right side
    77,894.09x = 3,641,035,156.02
  5. Step 5: Solve for x
    x = 3,641,035,156.02/77,894.09
  6. Step 6: Final answer
    x = 46,743.41

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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.