Home / 108,507.08-149,735.64-60,758.03

Finding the Fourth Proportional to 108,507.08, 149,735.64 and 60,758.03

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Solution

The fourth proportional to 108,507.08, 149,735.64 and 60,758.03 is: 83,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,507.08 : 149,735.64 = 60,758.03 : x
  2. Step 2: Convert to fraction form
    108,507.08/149,735.64 = 60,758.03/x
  3. Step 3: Cross multiply
    108,507.08x = 149,735.64 × 60,758.03
  4. Step 4: Simplify right side
    108,507.08x = 9,097,642,767.61
  5. Step 5: Solve for x
    x = 9,097,642,767.61/108,507.08
  6. Step 6: Final answer
    x = 83,843.77

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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.