Home / 117,929.06-162,720.49-69,546.17

Finding the Fourth Proportional to 117,929.06, 162,720.49 and 69,546.17

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Solution

The fourth proportional to 117,929.06, 162,720.49 and 69,546.17 is: 95,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,929.06 : 162,720.49 = 69,546.17 : x
  2. Step 2: Convert to fraction form
    117,929.06/162,720.49 = 69,546.17/x
  3. Step 3: Cross multiply
    117,929.06x = 162,720.49 × 69,546.17
  4. Step 4: Simplify right side
    117,929.06x = 11,316,586,686.16
  5. Step 5: Solve for x
    x = 11,316,586,686.16/117,929.06
  6. Step 6: Final answer
    x = 95,960.97

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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.