Home / 108,455.58-149,640.26-62,503.97

Finding the Fourth Proportional to 108,455.58, 149,640.26 and 62,503.97

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Solution

The fourth proportional to 108,455.58, 149,640.26 and 62,503.97 is: 86,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,455.58 : 149,640.26 = 62,503.97 : x
  2. Step 2: Convert to fraction form
    108,455.58/149,640.26 = 62,503.97/x
  3. Step 3: Cross multiply
    108,455.58x = 149,640.26 × 62,503.97
  4. Step 4: Simplify right side
    108,455.58x = 9,353,109,261.11
  5. Step 5: Solve for x
    x = 9,353,109,261.11/108,455.58
  6. Step 6: Final answer
    x = 86,239.08

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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.