Home / 117,476.28-162,117.44-63,761.32

Finding the Fourth Proportional to 117,476.28, 162,117.44 and 63,761.32

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Solution

The fourth proportional to 117,476.28, 162,117.44 and 63,761.32 is: 87,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.28 : 162,117.44 = 63,761.32 : x
  2. Step 2: Convert to fraction form
    117,476.28/162,117.44 = 63,761.32/x
  3. Step 3: Cross multiply
    117,476.28x = 162,117.44 × 63,761.32
  4. Step 4: Simplify right side
    117,476.28x = 10,336,821,539.11
  5. Step 5: Solve for x
    x = 10,336,821,539.11/117,476.28
  6. Step 6: Final answer
    x = 87,990.71

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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.