Home / 56,750.65-85,096.41-21,182.72

Finding the Fourth Proportional to 56,750.65, 85,096.41 and 21,182.72

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Solution

The fourth proportional to 56,750.65, 85,096.41 and 21,182.72 is: 31,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.65 : 85,096.41 = 21,182.72 : x
  2. Step 2: Convert to fraction form
    56,750.65/85,096.41 = 21,182.72/x
  3. Step 3: Cross multiply
    56,750.65x = 85,096.41 × 21,182.72
  4. Step 4: Simplify right side
    56,750.65x = 1,802,573,000.55
  5. Step 5: Solve for x
    x = 1,802,573,000.55/56,750.65
  6. Step 6: Final answer
    x = 31,763.04

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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.