Home / 116,323.20-160,543.62-71,027.64

Finding the Fourth Proportional to 116,323.20, 160,543.62 and 71,027.64

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Solution

The fourth proportional to 116,323.20, 160,543.62 and 71,027.64 is: 98,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,323.20 : 160,543.62 = 71,027.64 : x
  2. Step 2: Convert to fraction form
    116,323.20/160,543.62 = 71,027.64/x
  3. Step 3: Cross multiply
    116,323.20x = 160,543.62 × 71,027.64
  4. Step 4: Simplify right side
    116,323.20x = 11,403,034,445.66
  5. Step 5: Solve for x
    x = 11,403,034,445.66/116,323.20
  6. Step 6: Final answer
    x = 98,028.89

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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.