Home / 57,729.90-86,594.85-54,230.70

Finding the Fourth Proportional to 57,729.90, 86,594.85 and 54,230.70

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Solution

The fourth proportional to 57,729.90, 86,594.85 and 54,230.70 is: 81,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.90 : 86,594.85 = 54,230.70 : x
  2. Step 2: Convert to fraction form
    57,729.90/86,594.85 = 54,230.70/x
  3. Step 3: Cross multiply
    57,729.90x = 86,594.85 × 54,230.70
  4. Step 4: Simplify right side
    57,729.90x = 4,696,099,331.90
  5. Step 5: Solve for x
    x = 4,696,099,331.90/57,729.90
  6. Step 6: Final answer
    x = 81,346.05

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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.