Home / 82,742.52-114,184.80-45,016.77

Finding the Fourth Proportional to 82,742.52, 114,184.80 and 45,016.77

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Solution

The fourth proportional to 82,742.52, 114,184.80 and 45,016.77 is: 62,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,742.52 : 114,184.80 = 45,016.77 : x
  2. Step 2: Convert to fraction form
    82,742.52/114,184.80 = 45,016.77/x
  3. Step 3: Cross multiply
    82,742.52x = 114,184.80 × 45,016.77
  4. Step 4: Simplify right side
    82,742.52x = 5,140,230,879.10
  5. Step 5: Solve for x
    x = 5,140,230,879.10/82,742.52
  6. Step 6: Final answer
    x = 62,123.21

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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.