Home / 114,905.60-158,592.44-74,562.72

Finding the Fourth Proportional to 114,905.60, 158,592.44 and 74,562.72

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Solution

The fourth proportional to 114,905.60, 158,592.44 and 74,562.72 is: 102,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,905.60 : 158,592.44 = 74,562.72 : x
  2. Step 2: Convert to fraction form
    114,905.60/158,592.44 = 74,562.72/x
  3. Step 3: Cross multiply
    114,905.60x = 158,592.44 × 74,562.72
  4. Step 4: Simplify right side
    114,905.60x = 11,825,083,697.84
  5. Step 5: Solve for x
    x = 11,825,083,697.84/114,905.60
  6. Step 6: Final answer
    x = 102,911.29

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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.