Home / 75,208.72-103,814.04-43,390.32

Finding the Fourth Proportional to 75,208.72, 103,814.04 and 43,390.32

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Solution

The fourth proportional to 75,208.72, 103,814.04 and 43,390.32 is: 59,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,208.72 : 103,814.04 = 43,390.32 : x
  2. Step 2: Convert to fraction form
    75,208.72/103,814.04 = 43,390.32/x
  3. Step 3: Cross multiply
    75,208.72x = 103,814.04 × 43,390.32
  4. Step 4: Simplify right side
    75,208.72x = 4,504,524,416.09
  5. Step 5: Solve for x
    x = 4,504,524,416.09/75,208.72
  6. Step 6: Final answer
    x = 59,893.65

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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.