Home / 77,577.60-116,391.46-38,107.02

Finding the Fourth Proportional to 77,577.60, 116,391.46 and 38,107.02

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Solution

The fourth proportional to 77,577.60, 116,391.46 and 38,107.02 is: 57,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,577.60 : 116,391.46 = 38,107.02 : x
  2. Step 2: Convert to fraction form
    77,577.60/116,391.46 = 38,107.02/x
  3. Step 3: Cross multiply
    77,577.60x = 116,391.46 × 38,107.02
  4. Step 4: Simplify right side
    77,577.60x = 4,435,331,694.05
  5. Step 5: Solve for x
    x = 4,435,331,694.05/77,577.60
  6. Step 6: Final answer
    x = 57,172.84

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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.