Home / 83,213.80-114,855.68-47,425.04

Finding the Fourth Proportional to 83,213.80, 114,855.68 and 47,425.04

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Solution

The fourth proportional to 83,213.80, 114,855.68 and 47,425.04 is: 65,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,213.80 : 114,855.68 = 47,425.04 : x
  2. Step 2: Convert to fraction form
    83,213.80/114,855.68 = 47,425.04/x
  3. Step 3: Cross multiply
    83,213.80x = 114,855.68 × 47,425.04
  4. Step 4: Simplify right side
    83,213.80x = 5,447,035,218.23
  5. Step 5: Solve for x
    x = 5,447,035,218.23/83,213.80
  6. Step 6: Final answer
    x = 65,458.32

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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.