Home / 84,869.37-116,214.35-81,523.26

Finding the Fourth Proportional to 84,869.37, 116,214.35 and 81,523.26

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Solution

The fourth proportional to 84,869.37, 116,214.35 and 81,523.26 is: 111,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.37 : 116,214.35 = 81,523.26 : x
  2. Step 2: Convert to fraction form
    84,869.37/116,214.35 = 81,523.26/x
  3. Step 3: Cross multiply
    84,869.37x = 116,214.35 × 81,523.26
  4. Step 4: Simplify right side
    84,869.37x = 9,474,172,263.16
  5. Step 5: Solve for x
    x = 9,474,172,263.16/84,869.37
  6. Step 6: Final answer
    x = 111,632.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.