Home / 108,212.06-149,322.93-60,458.78

Finding the Fourth Proportional to 108,212.06, 149,322.93 and 60,458.78

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Solution

The fourth proportional to 108,212.06, 149,322.93 and 60,458.78 is: 83,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,212.06 : 149,322.93 = 60,458.78 : x
  2. Step 2: Convert to fraction form
    108,212.06/149,322.93 = 60,458.78/x
  3. Step 3: Cross multiply
    108,212.06x = 149,322.93 × 60,458.78
  4. Step 4: Simplify right side
    108,212.06x = 9,027,882,173.83
  5. Step 5: Solve for x
    x = 9,027,882,173.83/108,212.06
  6. Step 6: Final answer
    x = 83,427.69

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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.