Home / 108,027.47-149,077.87-60,281.11

Finding the Fourth Proportional to 108,027.47, 149,077.87 and 60,281.11

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Solution

The fourth proportional to 108,027.47, 149,077.87 and 60,281.11 is: 83,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.47 : 149,077.87 = 60,281.11 : x
  2. Step 2: Convert to fraction form
    108,027.47/149,077.87 = 60,281.11/x
  3. Step 3: Cross multiply
    108,027.47x = 149,077.87 × 60,281.11
  4. Step 4: Simplify right side
    108,027.47x = 8,986,579,515.68
  5. Step 5: Solve for x
    x = 8,986,579,515.68/108,027.47
  6. Step 6: Final answer
    x = 83,187.91

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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.