Home / 87,276.08-130,922.58-34,673.78

Finding the Fourth Proportional to 87,276.08, 130,922.58 and 34,673.78

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Solution

The fourth proportional to 87,276.08, 130,922.58 and 34,673.78 is: 52,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276.08 : 130,922.58 = 34,673.78 : x
  2. Step 2: Convert to fraction form
    87,276.08/130,922.58 = 34,673.78/x
  3. Step 3: Cross multiply
    87,276.08x = 130,922.58 × 34,673.78
  4. Step 4: Simplify right side
    87,276.08x = 4,539,580,735.95
  5. Step 5: Solve for x
    x = 4,539,580,735.95/87,276.08
  6. Step 6: Final answer
    x = 52,014.03

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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.