Home / 117,167.10-161,688.51-63,451.68

Finding the Fourth Proportional to 117,167.10, 161,688.51 and 63,451.68

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Solution

The fourth proportional to 117,167.10, 161,688.51 and 63,451.68 is: 87,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,167.10 : 161,688.51 = 63,451.68 : x
  2. Step 2: Convert to fraction form
    117,167.10/161,688.51 = 63,451.68/x
  3. Step 3: Cross multiply
    117,167.10x = 161,688.51 × 63,451.68
  4. Step 4: Simplify right side
    117,167.10x = 10,259,407,596.20
  5. Step 5: Solve for x
    x = 10,259,407,596.20/117,167.10
  6. Step 6: Final answer
    x = 87,562.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.