Home / 68,455.43-102,515.47-56,536.28

Finding the Fourth Proportional to 68,455.43, 102,515.47 and 56,536.28

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Solution

The fourth proportional to 68,455.43, 102,515.47 and 56,536.28 is: 84,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,455.43 : 102,515.47 = 56,536.28 : x
  2. Step 2: Convert to fraction form
    68,455.43/102,515.47 = 56,536.28/x
  3. Step 3: Cross multiply
    68,455.43x = 102,515.47 × 56,536.28
  4. Step 4: Simplify right side
    68,455.43x = 5,795,843,364.78
  5. Step 5: Solve for x
    x = 5,795,843,364.78/68,455.43
  6. Step 6: Final answer
    x = 84,665.94

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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.