Home / 76,951.18-106,194.31-42,495.81

Finding the Fourth Proportional to 76,951.18, 106,194.31 and 42,495.81

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Solution

The fourth proportional to 76,951.18, 106,194.31 and 42,495.81 is: 58,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,951.18 : 106,194.31 = 42,495.81 : x
  2. Step 2: Convert to fraction form
    76,951.18/106,194.31 = 42,495.81/x
  3. Step 3: Cross multiply
    76,951.18x = 106,194.31 × 42,495.81
  4. Step 4: Simplify right side
    76,951.18x = 4,512,812,716.37
  5. Step 5: Solve for x
    x = 4,512,812,716.37/76,951.18
  6. Step 6: Final answer
    x = 58,645.14

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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.