Home / 117,007.51-161,469.36-63,292.06

Finding the Fourth Proportional to 117,007.51, 161,469.36 and 63,292.06

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Solution

The fourth proportional to 117,007.51, 161,469.36 and 63,292.06 is: 87,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.51 : 161,469.36 = 63,292.06 : x
  2. Step 2: Convert to fraction form
    117,007.51/161,469.36 = 63,292.06/x
  3. Step 3: Cross multiply
    117,007.51x = 161,469.36 × 63,292.06
  4. Step 4: Simplify right side
    117,007.51x = 10,219,728,421.28
  5. Step 5: Solve for x
    x = 10,219,728,421.28/117,007.51
  6. Step 6: Final answer
    x = 87,342.50

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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.