Home / 84,209.15-116,205.73-50,200.09

Finding the Fourth Proportional to 84,209.15, 116,205.73 and 50,200.09

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Solution

The fourth proportional to 84,209.15, 116,205.73 and 50,200.09 is: 69,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,209.15 : 116,205.73 = 50,200.09 : x
  2. Step 2: Convert to fraction form
    84,209.15/116,205.73 = 50,200.09/x
  3. Step 3: Cross multiply
    84,209.15x = 116,205.73 × 50,200.09
  4. Step 4: Simplify right side
    84,209.15x = 5,833,537,688.50
  5. Step 5: Solve for x
    x = 5,833,537,688.50/84,209.15
  6. Step 6: Final answer
    x = 69,274.39

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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.