Home / 57,372.90-79,170.40-34,724.50

Finding the Fourth Proportional to 57,372.90, 79,170.40 and 34,724.50

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Solution

The fourth proportional to 57,372.90, 79,170.40 and 34,724.50 is: 47,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,372.90 : 79,170.40 = 34,724.50 : x
  2. Step 2: Convert to fraction form
    57,372.90/79,170.40 = 34,724.50/x
  3. Step 3: Cross multiply
    57,372.90x = 79,170.40 × 34,724.50
  4. Step 4: Simplify right side
    57,372.90x = 2,749,152,554.80
  5. Step 5: Solve for x
    x = 2,749,152,554.80/57,372.90
  6. Step 6: Final answer
    x = 47,917.27

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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.