Home / 116,472.13-160,730.73-66,171.13

Finding the Fourth Proportional to 116,472.13, 160,730.73 and 66,171.13

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Solution

The fourth proportional to 116,472.13, 160,730.73 and 66,171.13 is: 91,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,472.13 : 160,730.73 = 66,171.13 : x
  2. Step 2: Convert to fraction form
    116,472.13/160,730.73 = 66,171.13/x
  3. Step 3: Cross multiply
    116,472.13x = 160,730.73 × 66,171.13
  4. Step 4: Simplify right side
    116,472.13x = 10,635,734,029.82
  5. Step 5: Solve for x
    x = 10,635,734,029.82/116,472.13
  6. Step 6: Final answer
    x = 91,315.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.