Home / 90,586.20-124,980.92-52,331.79

Finding the Fourth Proportional to 90,586.20, 124,980.92 and 52,331.79

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Solution

The fourth proportional to 90,586.20, 124,980.92 and 52,331.79 is: 72,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.20 : 124,980.92 = 52,331.79 : x
  2. Step 2: Convert to fraction form
    90,586.20/124,980.92 = 52,331.79/x
  3. Step 3: Cross multiply
    90,586.20x = 124,980.92 × 52,331.79
  4. Step 4: Simplify right side
    90,586.20x = 6,540,474,725.35
  5. Step 5: Solve for x
    x = 6,540,474,725.35/90,586.20
  6. Step 6: Final answer
    x = 72,201.67

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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.