Home / 116,876.34-161,289.36-63,161.33

Finding the Fourth Proportional to 116,876.34, 161,289.36 and 63,161.33

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Solution

The fourth proportional to 116,876.34, 161,289.36 and 63,161.33 is: 87,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,876.34 : 161,289.36 = 63,161.33 : x
  2. Step 2: Convert to fraction form
    116,876.34/161,289.36 = 63,161.33/x
  3. Step 3: Cross multiply
    116,876.34x = 161,289.36 × 63,161.33
  4. Step 4: Simplify right side
    116,876.34x = 10,187,249,686.00
  5. Step 5: Solve for x
    x = 10,187,249,686.00/116,876.34
  6. Step 6: Final answer
    x = 87,162.63

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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.