Home / 116,939.23-161,376.64-73,937.54

Finding the Fourth Proportional to 116,939.23, 161,376.64 and 73,937.54

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Solution

The fourth proportional to 116,939.23, 161,376.64 and 73,937.54 is: 102,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,939.23 : 161,376.64 = 73,937.54 : x
  2. Step 2: Convert to fraction form
    116,939.23/161,376.64 = 73,937.54/x
  3. Step 3: Cross multiply
    116,939.23x = 161,376.64 × 73,937.54
  4. Step 4: Simplify right side
    116,939.23x = 11,931,791,993.66
  5. Step 5: Solve for x
    x = 11,931,791,993.66/116,939.23
  6. Step 6: Final answer
    x = 102,034.13

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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.