Home / 109,542.56-164,307.36-30,655.04

Finding the Fourth Proportional to 109,542.56, 164,307.36 and 30,655.04

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Solution

The fourth proportional to 109,542.56, 164,307.36 and 30,655.04 is: 45,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,542.56 : 164,307.36 = 30,655.04 : x
  2. Step 2: Convert to fraction form
    109,542.56/164,307.36 = 30,655.04/x
  3. Step 3: Cross multiply
    109,542.56x = 164,307.36 × 30,655.04
  4. Step 4: Simplify right side
    109,542.56x = 5,036,848,693.09
  5. Step 5: Solve for x
    x = 5,036,848,693.09/109,542.56
  6. Step 6: Final answer
    x = 45,980.75

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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.