Home / 119,543.56-164,971.19-65,828.79

Finding the Fourth Proportional to 119,543.56, 164,971.19 and 65,828.79

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Solution

The fourth proportional to 119,543.56, 164,971.19 and 65,828.79 is: 90,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,543.56 : 164,971.19 = 65,828.79 : x
  2. Step 2: Convert to fraction form
    119,543.56/164,971.19 = 65,828.79/x
  3. Step 3: Cross multiply
    119,543.56x = 164,971.19 × 65,828.79
  4. Step 4: Simplify right side
    119,543.56x = 10,859,853,822.56
  5. Step 5: Solve for x
    x = 10,859,853,822.56/119,543.56
  6. Step 6: Final answer
    x = 90,844.32

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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.