Home / 108,333.11-149,495.29-63,012.40

Finding the Fourth Proportional to 108,333.11, 149,495.29 and 63,012.40

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Solution

The fourth proportional to 108,333.11, 149,495.29 and 63,012.40 is: 86,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,333.11 : 149,495.29 = 63,012.40 : x
  2. Step 2: Convert to fraction form
    108,333.11/149,495.29 = 63,012.40/x
  3. Step 3: Cross multiply
    108,333.11x = 149,495.29 × 63,012.40
  4. Step 4: Simplify right side
    108,333.11x = 9,420,056,480.33
  5. Step 5: Solve for x
    x = 9,420,056,480.33/108,333.11
  6. Step 6: Final answer
    x = 86,954.54

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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.