Home / 116,917.62-161,309.59-71,548.30

Finding the Fourth Proportional to 116,917.62, 161,309.59 and 71,548.30

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Solution

The fourth proportional to 116,917.62, 161,309.59 and 71,548.30 is: 98,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,917.62 : 161,309.59 = 71,548.30 : x
  2. Step 2: Convert to fraction form
    116,917.62/161,309.59 = 71,548.30/x
  3. Step 3: Cross multiply
    116,917.62x = 161,309.59 × 71,548.30
  4. Step 4: Simplify right side
    116,917.62x = 11,541,426,938.20
  5. Step 5: Solve for x
    x = 11,541,426,938.20/116,917.62
  6. Step 6: Final answer
    x = 98,714.18

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1.5x scale

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.