Home / 116,887.90-161,307.03-66,585.82

Finding the Fourth Proportional to 116,887.90, 161,307.03 and 66,585.82

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Solution

The fourth proportional to 116,887.90, 161,307.03 and 66,585.82 is: 91,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,887.90 : 161,307.03 = 66,585.82 : x
  2. Step 2: Convert to fraction form
    116,887.90/161,307.03 = 66,585.82/x
  3. Step 3: Cross multiply
    116,887.90x = 161,307.03 × 66,585.82
  4. Step 4: Simplify right side
    116,887.90x = 10,740,760,864.31
  5. Step 5: Solve for x
    x = 10,740,760,864.31/116,887.90
  6. Step 6: Final answer
    x = 91,889.42

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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.