Home / 116,768.55-161,170.66-76,034.35

Finding the Fourth Proportional to 116,768.55, 161,170.66 and 76,034.35

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Solution

The fourth proportional to 116,768.55, 161,170.66 and 76,034.35 is: 104,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,768.55 : 161,170.66 = 76,034.35 : x
  2. Step 2: Convert to fraction form
    116,768.55/161,170.66 = 76,034.35/x
  3. Step 3: Cross multiply
    116,768.55x = 161,170.66 × 76,034.35
  4. Step 4: Simplify right side
    116,768.55x = 12,254,505,779.16
  5. Step 5: Solve for x
    x = 12,254,505,779.16/116,768.55
  6. Step 6: Final answer
    x = 104,946.97

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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.