Home / 116,427.04-174,640.64-57,290.56

Finding the Fourth Proportional to 116,427.04, 174,640.64 and 57,290.56

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Solution

The fourth proportional to 116,427.04, 174,640.64 and 57,290.56 is: 85,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,427.04 : 174,640.64 = 57,290.56 : x
  2. Step 2: Convert to fraction form
    116,427.04/174,640.64 = 57,290.56/x
  3. Step 3: Cross multiply
    116,427.04x = 174,640.64 × 57,290.56
  4. Step 4: Simplify right side
    116,427.04x = 10,005,260,064.36
  5. Step 5: Solve for x
    x = 10,005,260,064.36/116,427.04
  6. Step 6: Final answer
    x = 85,935.88

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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.