Home / 117,016.34-161,482.07-63,301.23

Finding the Fourth Proportional to 117,016.34, 161,482.07 and 63,301.23

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Solution

The fourth proportional to 117,016.34, 161,482.07 and 63,301.23 is: 87,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,016.34 : 161,482.07 = 63,301.23 : x
  2. Step 2: Convert to fraction form
    117,016.34/161,482.07 = 63,301.23/x
  3. Step 3: Cross multiply
    117,016.34x = 161,482.07 × 63,301.23
  4. Step 4: Simplify right side
    117,016.34x = 10,222,013,337.44
  5. Step 5: Solve for x
    x = 10,222,013,337.44/117,016.34
  6. Step 6: Final answer
    x = 87,355.44

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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.