Home / 108,619.34-149,900.60-60,888.02

Finding the Fourth Proportional to 108,619.34, 149,900.60 and 60,888.02

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Solution

The fourth proportional to 108,619.34, 149,900.60 and 60,888.02 is: 84,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,619.34 : 149,900.60 = 60,888.02 : x
  2. Step 2: Convert to fraction form
    108,619.34/149,900.60 = 60,888.02/x
  3. Step 3: Cross multiply
    108,619.34x = 149,900.60 × 60,888.02
  4. Step 4: Simplify right side
    108,619.34x = 9,127,150,133.53
  5. Step 5: Solve for x
    x = 9,127,150,133.53/108,619.34
  6. Step 6: Final answer
    x = 84,028.78

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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.