Home / 87,052.66-130,558.03-55,415.27

Finding the Fourth Proportional to 87,052.66, 130,558.03 and 55,415.27

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Solution

The fourth proportional to 87,052.66, 130,558.03 and 55,415.27 is: 83,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.66 : 130,558.03 = 55,415.27 : x
  2. Step 2: Convert to fraction form
    87,052.66/130,558.03 = 55,415.27/x
  3. Step 3: Cross multiply
    87,052.66x = 130,558.03 × 55,415.27
  4. Step 4: Simplify right side
    87,052.66x = 7,234,908,670.97
  5. Step 5: Solve for x
    x = 7,234,908,670.97/87,052.66
  6. Step 6: Final answer
    x = 83,109.57

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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.