Home / 108,470.51-149,663.54-63,121.04

Finding the Fourth Proportional to 108,470.51, 149,663.54 and 63,121.04

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Solution

The fourth proportional to 108,470.51, 149,663.54 and 63,121.04 is: 87,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,470.51 : 149,663.54 = 63,121.04 : x
  2. Step 2: Convert to fraction form
    108,470.51/149,663.54 = 63,121.04/x
  3. Step 3: Cross multiply
    108,470.51x = 149,663.54 × 63,121.04
  4. Step 4: Simplify right side
    108,470.51x = 9,446,917,979.28
  5. Step 5: Solve for x
    x = 9,446,917,979.28/108,470.51
  6. Step 6: Final answer
    x = 87,092.04

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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.