Home / 97,619.73-134,722.08-55,178.61

Finding the Fourth Proportional to 97,619.73, 134,722.08 and 55,178.61

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Solution

The fourth proportional to 97,619.73, 134,722.08 and 55,178.61 is: 76,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,619.73 : 134,722.08 = 55,178.61 : x
  2. Step 2: Convert to fraction form
    97,619.73/134,722.08 = 55,178.61/x
  3. Step 3: Cross multiply
    97,619.73x = 134,722.08 × 55,178.61
  4. Step 4: Simplify right side
    97,619.73x = 7,433,777,110.71
  5. Step 5: Solve for x
    x = 7,433,777,110.71/97,619.73
  6. Step 6: Final answer
    x = 76,150.36

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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.