Home / 117,376.44-161,979.02-63,661.24

Finding the Fourth Proportional to 117,376.44, 161,979.02 and 63,661.24

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Solution

The fourth proportional to 117,376.44, 161,979.02 and 63,661.24 is: 87,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,376.44 : 161,979.02 = 63,661.24 : x
  2. Step 2: Convert to fraction form
    117,376.44/161,979.02 = 63,661.24/x
  3. Step 3: Cross multiply
    117,376.44x = 161,979.02 × 63,661.24
  4. Step 4: Simplify right side
    117,376.44x = 10,311,785,267.18
  5. Step 5: Solve for x
    x = 10,311,785,267.18/117,376.44
  6. Step 6: Final answer
    x = 87,852.26

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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.