Home / 82,859.56-114,346.02-45,133.72

Finding the Fourth Proportional to 82,859.56, 114,346.02 and 45,133.72

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Solution

The fourth proportional to 82,859.56, 114,346.02 and 45,133.72 is: 62,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,859.56 : 114,346.02 = 45,133.72 : x
  2. Step 2: Convert to fraction form
    82,859.56/114,346.02 = 45,133.72/x
  3. Step 3: Cross multiply
    82,859.56x = 114,346.02 × 45,133.72
  4. Step 4: Simplify right side
    82,859.56x = 5,160,861,249.79
  5. Step 5: Solve for x
    x = 5,160,861,249.79/82,859.56
  6. Step 6: Final answer
    x = 62,284.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.