Home / 108,619.49-149,903.77-60,236.57

Finding the Fourth Proportional to 108,619.49, 149,903.77 and 60,236.57

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Solution

The fourth proportional to 108,619.49, 149,903.77 and 60,236.57 is: 83,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,619.49 : 149,903.77 = 60,236.57 : x
  2. Step 2: Convert to fraction form
    108,619.49/149,903.77 = 60,236.57/x
  3. Step 3: Cross multiply
    108,619.49x = 149,903.77 × 60,236.57
  4. Step 4: Simplify right side
    108,619.49x = 9,029,688,560.11
  5. Step 5: Solve for x
    x = 9,029,688,560.11/108,619.49
  6. Step 6: Final answer
    x = 83,131.39

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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.