Home / 106,732.73-147,225.87-68,479.25

Finding the Fourth Proportional to 106,732.73, 147,225.87 and 68,479.25

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Solution

The fourth proportional to 106,732.73, 147,225.87 and 68,479.25 is: 94,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,732.73 : 147,225.87 = 68,479.25 : x
  2. Step 2: Convert to fraction form
    106,732.73/147,225.87 = 68,479.25/x
  3. Step 3: Cross multiply
    106,732.73x = 147,225.87 × 68,479.25
  4. Step 4: Simplify right side
    106,732.73x = 10,081,917,158.20
  5. Step 5: Solve for x
    x = 10,081,917,158.20/106,732.73
  6. Step 6: Final answer
    x = 94,459.47

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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.