Home / 76,528.56-114,786.36-26,600.16

Finding the Fourth Proportional to 76,528.56, 114,786.36 and 26,600.16

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Solution

The fourth proportional to 76,528.56, 114,786.36 and 26,600.16 is: 39,897.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,528.56 : 114,786.36 = 26,600.16 : x
  2. Step 2: Convert to fraction form
    76,528.56/114,786.36 = 26,600.16/x
  3. Step 3: Cross multiply
    76,528.56x = 114,786.36 × 26,600.16
  4. Step 4: Simplify right side
    76,528.56x = 3,053,335,541.82
  5. Step 5: Solve for x
    x = 3,053,335,541.82/76,528.56
  6. Step 6: Final answer
    x = 39,897.99

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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.