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Finding the Fourth Proportional to 58,122.40, 87,183.60 and 44,125.60

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Solution

The fourth proportional to 58,122.40, 87,183.60 and 44,125.60 is: 66,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,122.40 : 87,183.60 = 44,125.60 : x
  2. Step 2: Convert to fraction form
    58,122.40/87,183.60 = 44,125.60/x
  3. Step 3: Cross multiply
    58,122.40x = 87,183.60 × 44,125.60
  4. Step 4: Simplify right side
    58,122.40x = 3,847,028,660.16
  5. Step 5: Solve for x
    x = 3,847,028,660.16/58,122.40
  6. Step 6: Final answer
    x = 66,188.40

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1.5x scale

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.