Home / 98,090.46-135,405.96-66,302.41

Finding the Fourth Proportional to 98,090.46, 135,405.96 and 66,302.41

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Solution

The fourth proportional to 98,090.46, 135,405.96 and 66,302.41 is: 91,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090.46 : 135,405.96 = 66,302.41 : x
  2. Step 2: Convert to fraction form
    98,090.46/135,405.96 = 66,302.41/x
  3. Step 3: Cross multiply
    98,090.46x = 135,405.96 × 66,302.41
  4. Step 4: Simplify right side
    98,090.46x = 8,977,741,476.36
  5. Step 5: Solve for x
    x = 8,977,741,476.36/98,090.46
  6. Step 6: Final answer
    x = 91,525.13

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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.