Home / 45,337.44-67,980-17,603.04

Finding the Fourth Proportional to 45,337.44, 67,980 and 17,603.04

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Solution

The fourth proportional to 45,337.44, 67,980 and 17,603.04 is: 26,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,337.44 : 67,980 = 17,603.04 : x
  2. Step 2: Convert to fraction form
    45,337.44/67,980 = 17,603.04/x
  3. Step 3: Cross multiply
    45,337.44x = 67,980 × 17,603.04
  4. Step 4: Simplify right side
    45,337.44x = 1,196,654,659.20
  5. Step 5: Solve for x
    x = 1,196,654,659.20/45,337.44
  6. Step 6: Final answer
    x = 26,394.40

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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.