Home / 68,453.16-102,619.10-26,890.60

Finding the Fourth Proportional to 68,453.16, 102,619.10 and 26,890.60

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Solution

The fourth proportional to 68,453.16, 102,619.10 and 26,890.60 is: 40,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,453.16 : 102,619.10 = 26,890.60 : x
  2. Step 2: Convert to fraction form
    68,453.16/102,619.10 = 26,890.60/x
  3. Step 3: Cross multiply
    68,453.16x = 102,619.10 × 26,890.60
  4. Step 4: Simplify right side
    68,453.16x = 2,759,489,170.46
  5. Step 5: Solve for x
    x = 2,759,489,170.46/68,453.16
  6. Step 6: Final answer
    x = 40,312.08

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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.