Home / 57,199.65-85,738.98-21,152.94

Finding the Fourth Proportional to 57,199.65, 85,738.98 and 21,152.94

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Solution

The fourth proportional to 57,199.65, 85,738.98 and 21,152.94 is: 31,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,199.65 : 85,738.98 = 21,152.94 : x
  2. Step 2: Convert to fraction form
    57,199.65/85,738.98 = 21,152.94/x
  3. Step 3: Cross multiply
    57,199.65x = 85,738.98 × 21,152.94
  4. Step 4: Simplify right side
    57,199.65x = 1,813,631,766.83
  5. Step 5: Solve for x
    x = 1,813,631,766.83/57,199.65
  6. Step 6: Final answer
    x = 31,707.04

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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.