Home / 77,957.20-116,906.88-28,023.84

Finding the Fourth Proportional to 77,957.20, 116,906.88 and 28,023.84

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Solution

The fourth proportional to 77,957.20, 116,906.88 and 28,023.84 is: 42,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,957.20 : 116,906.88 = 28,023.84 : x
  2. Step 2: Convert to fraction form
    77,957.20/116,906.88 = 28,023.84/x
  3. Step 3: Cross multiply
    77,957.20x = 116,906.88 × 28,023.84
  4. Step 4: Simplify right side
    77,957.20x = 3,276,179,700.02
  5. Step 5: Solve for x
    x = 3,276,179,700.02/77,957.20
  6. Step 6: Final answer
    x = 42,025.36

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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.