Home / 61,133.40-84,358.26-34,269.75

Finding the Fourth Proportional to 61,133.40, 84,358.26 and 34,269.75

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Solution

The fourth proportional to 61,133.40, 84,358.26 and 34,269.75 is: 47,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133.40 : 84,358.26 = 34,269.75 : x
  2. Step 2: Convert to fraction form
    61,133.40/84,358.26 = 34,269.75/x
  3. Step 3: Cross multiply
    61,133.40x = 84,358.26 × 34,269.75
  4. Step 4: Simplify right side
    61,133.40x = 2,890,936,480.64
  5. Step 5: Solve for x
    x = 2,890,936,480.64/61,133.40
  6. Step 6: Final answer
    x = 47,288.99

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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.