Home / 116,857.28-175,268.64-42,968

Finding the Fourth Proportional to 116,857.28, 175,268.64 and 42,968

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Solution

The fourth proportional to 116,857.28, 175,268.64 and 42,968 is: 64,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,857.28 : 175,268.64 = 42,968 : x
  2. Step 2: Convert to fraction form
    116,857.28/175,268.64 = 42,968/x
  3. Step 3: Cross multiply
    116,857.28x = 175,268.64 × 42,968
  4. Step 4: Simplify right side
    116,857.28x = 7,530,942,923.52
  5. Step 5: Solve for x
    x = 7,530,942,923.52/116,857.28
  6. Step 6: Final answer
    x = 64,445.65

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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.