Home / 84,239.21-116,222.12-55,573.11

Finding the Fourth Proportional to 84,239.21, 116,222.12 and 55,573.11

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Solution

The fourth proportional to 84,239.21, 116,222.12 and 55,573.11 is: 76,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,239.21 : 116,222.12 = 55,573.11 : x
  2. Step 2: Convert to fraction form
    84,239.21/116,222.12 = 55,573.11/x
  3. Step 3: Cross multiply
    84,239.21x = 116,222.12 × 55,573.11
  4. Step 4: Simplify right side
    84,239.21x = 6,458,824,659.19
  5. Step 5: Solve for x
    x = 6,458,824,659.19/84,239.21
  6. Step 6: Final answer
    x = 76,672.43

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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.