Home / 116,889.48-161,263.17-71,531.10

Finding the Fourth Proportional to 116,889.48, 161,263.17 and 71,531.10

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Solution

The fourth proportional to 116,889.48, 161,263.17 and 71,531.10 is: 98,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,889.48 : 161,263.17 = 71,531.10 : x
  2. Step 2: Convert to fraction form
    116,889.48/161,263.17 = 71,531.10/x
  3. Step 3: Cross multiply
    116,889.48x = 161,263.17 × 71,531.10
  4. Step 4: Simplify right side
    116,889.48x = 11,535,331,939.59
  5. Step 5: Solve for x
    x = 11,535,331,939.59/116,889.48
  6. Step 6: Final answer
    x = 98,685.80

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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.