Home / 116,743.76-175,132.92-42,866

Finding the Fourth Proportional to 116,743.76, 175,132.92 and 42,866

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Solution

The fourth proportional to 116,743.76, 175,132.92 and 42,866 is: 64,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,743.76 : 175,132.92 = 42,866 : x
  2. Step 2: Convert to fraction form
    116,743.76/175,132.92 = 42,866/x
  3. Step 3: Cross multiply
    116,743.76x = 175,132.92 × 42,866
  4. Step 4: Simplify right side
    116,743.76x = 7,507,247,748.72
  5. Step 5: Solve for x
    x = 7,507,247,748.72/116,743.76
  6. Step 6: Final answer
    x = 64,305.34

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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.