Home / 116,871.36-161,244.57-71,502.04

Finding the Fourth Proportional to 116,871.36, 161,244.57 and 71,502.04

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Solution

The fourth proportional to 116,871.36, 161,244.57 and 71,502.04 is: 98,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,871.36 : 161,244.57 = 71,502.04 : x
  2. Step 2: Convert to fraction form
    116,871.36/161,244.57 = 71,502.04/x
  3. Step 3: Cross multiply
    116,871.36x = 161,244.57 × 71,502.04
  4. Step 4: Simplify right side
    116,871.36x = 11,529,316,163.61
  5. Step 5: Solve for x
    x = 11,529,316,163.61/116,871.36
  6. Step 6: Final answer
    x = 98,649.63

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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.