Home / 84,206.25-116,092.89-69,811.74

Finding the Fourth Proportional to 84,206.25, 116,092.89 and 69,811.74

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Solution

The fourth proportional to 84,206.25, 116,092.89 and 69,811.74 is: 96,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,206.25 : 116,092.89 = 69,811.74 : x
  2. Step 2: Convert to fraction form
    84,206.25/116,092.89 = 69,811.74/x
  3. Step 3: Cross multiply
    84,206.25x = 116,092.89 × 69,811.74
  4. Step 4: Simplify right side
    84,206.25x = 8,104,646,652.53
  5. Step 5: Solve for x
    x = 8,104,646,652.53/84,206.25
  6. Step 6: Final answer
    x = 96,247.57

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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.