Home / 68,457.16-102,496.38-35,105.32

Finding the Fourth Proportional to 68,457.16, 102,496.38 and 35,105.32

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Solution

The fourth proportional to 68,457.16, 102,496.38 and 35,105.32 is: 52,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,457.16 : 102,496.38 = 35,105.32 : x
  2. Step 2: Convert to fraction form
    68,457.16/102,496.38 = 35,105.32/x
  3. Step 3: Cross multiply
    68,457.16x = 102,496.38 × 35,105.32
  4. Step 4: Simplify right side
    68,457.16x = 3,598,168,218.74
  5. Step 5: Solve for x
    x = 3,598,168,218.74/68,457.16
  6. Step 6: Final answer
    x = 52,560.87

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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.