Home / 108,195.48-149,308.92-59,137.02

Finding the Fourth Proportional to 108,195.48, 149,308.92 and 59,137.02

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Solution

The fourth proportional to 108,195.48, 149,308.92 and 59,137.02 is: 81,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,195.48 : 149,308.92 = 59,137.02 : x
  2. Step 2: Convert to fraction form
    108,195.48/149,308.92 = 59,137.02/x
  3. Step 3: Cross multiply
    108,195.48x = 149,308.92 × 59,137.02
  4. Step 4: Simplify right side
    108,195.48x = 8,829,684,588.22
  5. Step 5: Solve for x
    x = 8,829,684,588.22/108,195.48
  6. Step 6: Final answer
    x = 81,608.63

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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.