Home / 108,621.96-149,904.18-60,890.64

Finding the Fourth Proportional to 108,621.96, 149,904.18 and 60,890.64

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Solution

The fourth proportional to 108,621.96, 149,904.18 and 60,890.64 is: 84,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621.96 : 149,904.18 = 60,890.64 : x
  2. Step 2: Convert to fraction form
    108,621.96/149,904.18 = 60,890.64/x
  3. Step 3: Cross multiply
    108,621.96x = 149,904.18 × 60,890.64
  4. Step 4: Simplify right side
    108,621.96x = 9,127,761,458.88
  5. Step 5: Solve for x
    x = 9,127,761,458.88/108,621.96
  6. Step 6: Final answer
    x = 84,032.38

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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.