Home / 82,869.13-114,356.37-50,657.70

Finding the Fourth Proportional to 82,869.13, 114,356.37 and 50,657.70

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Solution

The fourth proportional to 82,869.13, 114,356.37 and 50,657.70 is: 69,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.13 : 114,356.37 = 50,657.70 : x
  2. Step 2: Convert to fraction form
    82,869.13/114,356.37 = 50,657.70/x
  3. Step 3: Cross multiply
    82,869.13x = 114,356.37 × 50,657.70
  4. Step 4: Simplify right side
    82,869.13x = 5,793,030,365.98
  5. Step 5: Solve for x
    x = 5,793,030,365.98/82,869.13
  6. Step 6: Final answer
    x = 69,905.77

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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.