Home / 90,818.14-125,327.05-52,579.30

Finding the Fourth Proportional to 90,818.14, 125,327.05 and 52,579.30

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Solution

The fourth proportional to 90,818.14, 125,327.05 and 52,579.30 is: 72,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,818.14 : 125,327.05 = 52,579.30 : x
  2. Step 2: Convert to fraction form
    90,818.14/125,327.05 = 52,579.30/x
  3. Step 3: Cross multiply
    90,818.14x = 125,327.05 × 52,579.30
  4. Step 4: Simplify right side
    90,818.14x = 6,589,608,560.07
  5. Step 5: Solve for x
    x = 6,589,608,560.07/90,818.14
  6. Step 6: Final answer
    x = 72,558.29

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1.5x scale

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.