Home / 111,015.13-166,577.36-51,842.20

Finding the Fourth Proportional to 111,015.13, 166,577.36 and 51,842.20

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Solution

The fourth proportional to 111,015.13, 166,577.36 and 51,842.20 is: 77,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.13 : 166,577.36 = 51,842.20 : x
  2. Step 2: Convert to fraction form
    111,015.13/166,577.36 = 51,842.20/x
  3. Step 3: Cross multiply
    111,015.13x = 166,577.36 × 51,842.20
  4. Step 4: Simplify right side
    111,015.13x = 8,635,735,979.71
  5. Step 5: Solve for x
    x = 8,635,735,979.71/111,015.13
  6. Step 6: Final answer
    x = 77,788.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.