Home / 117,063.29-161,546.09-63,347.10

Finding the Fourth Proportional to 117,063.29, 161,546.09 and 63,347.10

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Solution

The fourth proportional to 117,063.29, 161,546.09 and 63,347.10 is: 87,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,063.29 : 161,546.09 = 63,347.10 : x
  2. Step 2: Convert to fraction form
    117,063.29/161,546.09 = 63,347.10/x
  3. Step 3: Cross multiply
    117,063.29x = 161,546.09 × 63,347.10
  4. Step 4: Simplify right side
    117,063.29x = 10,233,476,001.10
  5. Step 5: Solve for x
    x = 10,233,476,001.10/117,063.29
  6. Step 6: Final answer
    x = 87,418.32

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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.