Home / 116,768.04-161,148.09-66,467.04

Finding the Fourth Proportional to 116,768.04, 161,148.09 and 66,467.04

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Solution

The fourth proportional to 116,768.04, 161,148.09 and 66,467.04 is: 91,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,768.04 : 161,148.09 = 66,467.04 : x
  2. Step 2: Convert to fraction form
    116,768.04/161,148.09 = 66,467.04/x
  3. Step 3: Cross multiply
    116,768.04x = 161,148.09 × 66,467.04
  4. Step 4: Simplify right side
    116,768.04x = 10,711,036,543.95
  5. Step 5: Solve for x
    x = 10,711,036,543.95/116,768.04
  6. Step 6: Final answer
    x = 91,729.18

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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.