Home / 57,782.30-86,673.45-32,812.70

Finding the Fourth Proportional to 57,782.30, 86,673.45 and 32,812.70

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Solution

The fourth proportional to 57,782.30, 86,673.45 and 32,812.70 is: 49,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782.30 : 86,673.45 = 32,812.70 : x
  2. Step 2: Convert to fraction form
    57,782.30/86,673.45 = 32,812.70/x
  3. Step 3: Cross multiply
    57,782.30x = 86,673.45 × 32,812.70
  4. Step 4: Simplify right side
    57,782.30x = 2,843,989,912.82
  5. Step 5: Solve for x
    x = 2,843,989,912.82/57,782.30
  6. Step 6: Final answer
    x = 49,219.05

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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.