Home / 57,105.36-85,175.16-53,812.50

Finding the Fourth Proportional to 57,105.36, 85,175.16 and 53,812.50

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Solution

The fourth proportional to 57,105.36, 85,175.16 and 53,812.50 is: 80,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,105.36 : 85,175.16 = 53,812.50 : x
  2. Step 2: Convert to fraction form
    57,105.36/85,175.16 = 53,812.50/x
  3. Step 3: Cross multiply
    57,105.36x = 85,175.16 × 53,812.50
  4. Step 4: Simplify right side
    57,105.36x = 4,583,488,297.50
  5. Step 5: Solve for x
    x = 4,583,488,297.50/57,105.36
  6. Step 6: Final answer
    x = 80,263.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.