Home / 57,750.12-86,427.99-48,400.70

Finding the Fourth Proportional to 57,750.12, 86,427.99 and 48,400.70

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Solution

The fourth proportional to 57,750.12, 86,427.99 and 48,400.70 is: 72,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.12 : 86,427.99 = 48,400.70 : x
  2. Step 2: Convert to fraction form
    57,750.12/86,427.99 = 48,400.70/x
  3. Step 3: Cross multiply
    57,750.12x = 86,427.99 × 48,400.70
  4. Step 4: Simplify right side
    57,750.12x = 4,183,174,783.45
  5. Step 5: Solve for x
    x = 4,183,174,783.45/57,750.12
  6. Step 6: Final answer
    x = 72,435.78

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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.