Home / 84,204.14-116,221.20-55,528.95

Finding the Fourth Proportional to 84,204.14, 116,221.20 and 55,528.95

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Solution

The fourth proportional to 84,204.14, 116,221.20 and 55,528.95 is: 76,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,204.14 : 116,221.20 = 55,528.95 : x
  2. Step 2: Convert to fraction form
    84,204.14/116,221.20 = 55,528.95/x
  3. Step 3: Cross multiply
    84,204.14x = 116,221.20 × 55,528.95
  4. Step 4: Simplify right side
    84,204.14x = 6,453,641,203.74
  5. Step 5: Solve for x
    x = 6,453,641,203.74/84,204.14
  6. Step 6: Final answer
    x = 76,642.81

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1.5x scale

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.