Home / 116,997.32-161,442.65-66,010.86

Finding the Fourth Proportional to 116,997.32, 161,442.65 and 66,010.86

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Solution

The fourth proportional to 116,997.32, 161,442.65 and 66,010.86 is: 91,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,997.32 : 161,442.65 = 66,010.86 : x
  2. Step 2: Convert to fraction form
    116,997.32/161,442.65 = 66,010.86/x
  3. Step 3: Cross multiply
    116,997.32x = 161,442.65 × 66,010.86
  4. Step 4: Simplify right side
    116,997.32x = 10,656,968,332.21
  5. Step 5: Solve for x
    x = 10,656,968,332.21/116,997.32
  6. Step 6: Final answer
    x = 91,087.28

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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.