Home / 89,814.24-134,633.28-76,517.28

Finding the Fourth Proportional to 89,814.24, 134,633.28 and 76,517.28

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Solution

The fourth proportional to 89,814.24, 134,633.28 and 76,517.28 is: 114,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.24 : 134,633.28 = 76,517.28 : x
  2. Step 2: Convert to fraction form
    89,814.24/134,633.28 = 76,517.28/x
  3. Step 3: Cross multiply
    89,814.24x = 134,633.28 × 76,517.28
  4. Step 4: Simplify right side
    89,814.24x = 10,301,772,383.08
  5. Step 5: Solve for x
    x = 10,301,772,383.08/89,814.24
  6. Step 6: Final answer
    x = 114,700.88

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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.