Home / 55,103.75-82,663.40-17,655.06

Finding the Fourth Proportional to 55,103.75, 82,663.40 and 17,655.06

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Solution

The fourth proportional to 55,103.75, 82,663.40 and 17,655.06 is: 26,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,103.75 : 82,663.40 = 17,655.06 : x
  2. Step 2: Convert to fraction form
    55,103.75/82,663.40 = 17,655.06/x
  3. Step 3: Cross multiply
    55,103.75x = 82,663.40 × 17,655.06
  4. Step 4: Simplify right side
    55,103.75x = 1,459,427,286.80
  5. Step 5: Solve for x
    x = 1,459,427,286.80/55,103.75
  6. Step 6: Final answer
    x = 26,485.08

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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.