Home / 109,141.11-163,774.44-45,956.25

Finding the Fourth Proportional to 109,141.11, 163,774.44 and 45,956.25

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Solution

The fourth proportional to 109,141.11, 163,774.44 and 45,956.25 is: 68,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,141.11 : 163,774.44 = 45,956.25 : x
  2. Step 2: Convert to fraction form
    109,141.11/163,774.44 = 45,956.25/x
  3. Step 3: Cross multiply
    109,141.11x = 163,774.44 × 45,956.25
  4. Step 4: Simplify right side
    109,141.11x = 7,526,459,108.25
  5. Step 5: Solve for x
    x = 7,526,459,108.25/109,141.11
  6. Step 6: Final answer
    x = 68,960.81

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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.