Home / 108,205.84-149,321.27-60,459.58

Finding the Fourth Proportional to 108,205.84, 149,321.27 and 60,459.58

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Solution

The fourth proportional to 108,205.84, 149,321.27 and 60,459.58 is: 83,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,205.84 : 149,321.27 = 60,459.58 : x
  2. Step 2: Convert to fraction form
    108,205.84/149,321.27 = 60,459.58/x
  3. Step 3: Cross multiply
    108,205.84x = 149,321.27 × 60,459.58
  4. Step 4: Simplify right side
    108,205.84x = 9,027,901,269.27
  5. Step 5: Solve for x
    x = 9,027,901,269.27/108,205.84
  6. Step 6: Final answer
    x = 83,432.66

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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.