Home / 56,769.24-85,168.82-28,314.55

Finding the Fourth Proportional to 56,769.24, 85,168.82 and 28,314.55

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Solution

The fourth proportional to 56,769.24, 85,168.82 and 28,314.55 is: 42,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769.24 : 85,168.82 = 28,314.55 : x
  2. Step 2: Convert to fraction form
    56,769.24/85,168.82 = 28,314.55/x
  3. Step 3: Cross multiply
    56,769.24x = 85,168.82 × 28,314.55
  4. Step 4: Simplify right side
    56,769.24x = 2,411,516,812.33
  5. Step 5: Solve for x
    x = 2,411,516,812.33/56,769.24
  6. Step 6: Final answer
    x = 42,479.29

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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.