Home / 117,010.08-161,460.06-66,019.84

Finding the Fourth Proportional to 117,010.08, 161,460.06 and 66,019.84

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Solution

The fourth proportional to 117,010.08, 161,460.06 and 66,019.84 is: 91,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010.08 : 161,460.06 = 66,019.84 : x
  2. Step 2: Convert to fraction form
    117,010.08/161,460.06 = 66,019.84/x
  3. Step 3: Cross multiply
    117,010.08x = 161,460.06 × 66,019.84
  4. Step 4: Simplify right side
    117,010.08x = 10,659,567,327.59
  5. Step 5: Solve for x
    x = 10,659,567,327.59/117,010.08
  6. Step 6: Final answer
    x = 91,099.56

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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.