Home / 117,577.49-162,258.12-63,863.55

Finding the Fourth Proportional to 117,577.49, 162,258.12 and 63,863.55

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Solution

The fourth proportional to 117,577.49, 162,258.12 and 63,863.55 is: 88,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,577.49 : 162,258.12 = 63,863.55 : x
  2. Step 2: Convert to fraction form
    117,577.49/162,258.12 = 63,863.55/x
  3. Step 3: Cross multiply
    117,577.49x = 162,258.12 × 63,863.55
  4. Step 4: Simplify right side
    117,577.49x = 10,362,379,559.53
  5. Step 5: Solve for x
    x = 10,362,379,559.53/117,577.49
  6. Step 6: Final answer
    x = 88,132.35

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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.