Home / 116,749.76-175,141.92-42,872

Finding the Fourth Proportional to 116,749.76, 175,141.92 and 42,872

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Solution

The fourth proportional to 116,749.76, 175,141.92 and 42,872 is: 64,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,749.76 : 175,141.92 = 42,872 : x
  2. Step 2: Convert to fraction form
    116,749.76/175,141.92 = 42,872/x
  3. Step 3: Cross multiply
    116,749.76x = 175,141.92 × 42,872
  4. Step 4: Simplify right side
    116,749.76x = 7,508,684,394.24
  5. Step 5: Solve for x
    x = 7,508,684,394.24/116,749.76
  6. Step 6: Final answer
    x = 64,314.35

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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.