Home / 117,877.06-162,673.59-66,891.88

Finding the Fourth Proportional to 117,877.06, 162,673.59 and 66,891.88

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Solution

The fourth proportional to 117,877.06, 162,673.59 and 66,891.88 is: 92,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877.06 : 162,673.59 = 66,891.88 : x
  2. Step 2: Convert to fraction form
    117,877.06/162,673.59 = 66,891.88/x
  3. Step 3: Cross multiply
    117,877.06x = 162,673.59 × 66,891.88
  4. Step 4: Simplify right side
    117,877.06x = 10,881,542,261.45
  5. Step 5: Solve for x
    x = 10,881,542,261.45/117,877.06
  6. Step 6: Final answer
    x = 92,312.64

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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.