Home / 108,055.41-149,195.48-69,837.58

Finding the Fourth Proportional to 108,055.41, 149,195.48 and 69,837.58

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Solution

The fourth proportional to 108,055.41, 149,195.48 and 69,837.58 is: 96,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,055.41 : 149,195.48 = 69,837.58 : x
  2. Step 2: Convert to fraction form
    108,055.41/149,195.48 = 69,837.58/x
  3. Step 3: Cross multiply
    108,055.41x = 149,195.48 × 69,837.58
  4. Step 4: Simplify right side
    108,055.41x = 10,419,451,270.14
  5. Step 5: Solve for x
    x = 10,419,451,270.14/108,055.41
  6. Step 6: Final answer
    x = 96,426.93

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1.5x scale

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.