Home / 117,678.40-162,399.36-63,967.04

Finding the Fourth Proportional to 117,678.40, 162,399.36 and 63,967.04

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Solution

The fourth proportional to 117,678.40, 162,399.36 and 63,967.04 is: 88,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,678.40 : 162,399.36 = 63,967.04 : x
  2. Step 2: Convert to fraction form
    117,678.40/162,399.36 = 63,967.04/x
  3. Step 3: Cross multiply
    117,678.40x = 162,399.36 × 63,967.04
  4. Step 4: Simplify right side
    117,678.40x = 10,388,206,357.09
  5. Step 5: Solve for x
    x = 10,388,206,357.09/117,678.40
  6. Step 6: Final answer
    x = 88,276.24

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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.