Home / 108,759.15-163,090.51-58,145.90

Finding the Fourth Proportional to 108,759.15, 163,090.51 and 58,145.90

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Solution

The fourth proportional to 108,759.15, 163,090.51 and 58,145.90 is: 87,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.15 : 163,090.51 = 58,145.90 : x
  2. Step 2: Convert to fraction form
    108,759.15/163,090.51 = 58,145.90/x
  3. Step 3: Cross multiply
    108,759.15x = 163,090.51 × 58,145.90
  4. Step 4: Simplify right side
    108,759.15x = 9,483,043,524.59
  5. Step 5: Solve for x
    x = 9,483,043,524.59/108,759.15
  6. Step 6: Final answer
    x = 87,193.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.