Home / 99,696.17-137,546.28-63,905.93

Finding the Fourth Proportional to 99,696.17, 137,546.28 and 63,905.93

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Solution

The fourth proportional to 99,696.17, 137,546.28 and 63,905.93 is: 88,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696.17 : 137,546.28 = 63,905.93 : x
  2. Step 2: Convert to fraction form
    99,696.17/137,546.28 = 63,905.93/x
  3. Step 3: Cross multiply
    99,696.17x = 137,546.28 × 63,905.93
  4. Step 4: Simplify right side
    99,696.17x = 8,790,022,941.44
  5. Step 5: Solve for x
    x = 8,790,022,941.44/99,696.17
  6. Step 6: Final answer
    x = 88,168.11

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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.