Home / 117,725.84-162,496.68-67,458.32

Finding the Fourth Proportional to 117,725.84, 162,496.68 and 67,458.32

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Solution

The fourth proportional to 117,725.84, 162,496.68 and 67,458.32 is: 93,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,725.84 : 162,496.68 = 67,458.32 : x
  2. Step 2: Convert to fraction form
    117,725.84/162,496.68 = 67,458.32/x
  3. Step 3: Cross multiply
    117,725.84x = 162,496.68 × 67,458.32
  4. Step 4: Simplify right side
    117,725.84x = 10,961,753,038.38
  5. Step 5: Solve for x
    x = 10,961,753,038.38/117,725.84
  6. Step 6: Final answer
    x = 93,112.55

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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.