Home / 76,086.66-114,036.51-42,736.62

Finding the Fourth Proportional to 76,086.66, 114,036.51 and 42,736.62

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Solution

The fourth proportional to 76,086.66, 114,036.51 and 42,736.62 is: 64,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,086.66 : 114,036.51 = 42,736.62 : x
  2. Step 2: Convert to fraction form
    76,086.66/114,036.51 = 42,736.62/x
  3. Step 3: Cross multiply
    76,086.66x = 114,036.51 × 42,736.62
  4. Step 4: Simplify right side
    76,086.66x = 4,873,534,210.13
  5. Step 5: Solve for x
    x = 4,873,534,210.13/76,086.66
  6. Step 6: Final answer
    x = 64,052.42

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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.