Home / 68,145.13-102,234.71-23,772.25

Finding the Fourth Proportional to 68,145.13, 102,234.71 and 23,772.25

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Solution

The fourth proportional to 68,145.13, 102,234.71 and 23,772.25 is: 35,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145.13 : 102,234.71 = 23,772.25 : x
  2. Step 2: Convert to fraction form
    68,145.13/102,234.71 = 23,772.25/x
  3. Step 3: Cross multiply
    68,145.13x = 102,234.71 × 23,772.25
  4. Step 4: Simplify right side
    68,145.13x = 2,430,349,084.80
  5. Step 5: Solve for x
    x = 2,430,349,084.80/68,145.13
  6. Step 6: Final answer
    x = 35,664.31

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1.5x scale

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.