Home / 86,844.60-119,899.44-66,662.88

Finding the Fourth Proportional to 86,844.60, 119,899.44 and 66,662.88

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Solution

The fourth proportional to 86,844.60, 119,899.44 and 66,662.88 is: 92,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,844.60 : 119,899.44 = 66,662.88 : x
  2. Step 2: Convert to fraction form
    86,844.60/119,899.44 = 66,662.88/x
  3. Step 3: Cross multiply
    86,844.60x = 119,899.44 × 66,662.88
  4. Step 4: Simplify right side
    86,844.60x = 7,992,841,980.79
  5. Step 5: Solve for x
    x = 7,992,841,980.79/86,844.60
  6. Step 6: Final answer
    x = 92,036.14

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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.