Home / 108,544.79-162,536.76-74,914.58

Finding the Fourth Proportional to 108,544.79, 162,536.76 and 74,914.58

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Solution

The fourth proportional to 108,544.79, 162,536.76 and 74,914.58 is: 112,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,544.79 : 162,536.76 = 74,914.58 : x
  2. Step 2: Convert to fraction form
    108,544.79/162,536.76 = 74,914.58/x
  3. Step 3: Cross multiply
    108,544.79x = 162,536.76 × 74,914.58
  4. Step 4: Simplify right side
    108,544.79x = 12,176,372,297.28
  5. Step 5: Solve for x
    x = 12,176,372,297.28/108,544.79
  6. Step 6: Final answer
    x = 112,178.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.