Home / 117,264.11-161,823.83-63,548.55

Finding the Fourth Proportional to 117,264.11, 161,823.83 and 63,548.55

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Solution

The fourth proportional to 117,264.11, 161,823.83 and 63,548.55 is: 87,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264.11 : 161,823.83 = 63,548.55 : x
  2. Step 2: Convert to fraction form
    117,264.11/161,823.83 = 63,548.55/x
  3. Step 3: Cross multiply
    117,264.11x = 161,823.83 × 63,548.55
  4. Step 4: Simplify right side
    117,264.11x = 10,283,669,434.20
  5. Step 5: Solve for x
    x = 10,283,669,434.20/117,264.11
  6. Step 6: Final answer
    x = 87,696.65

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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.