Home / 75,453.12-104,128.34-43,192.98

Finding the Fourth Proportional to 75,453.12, 104,128.34 and 43,192.98

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Solution

The fourth proportional to 75,453.12, 104,128.34 and 43,192.98 is: 59,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,453.12 : 104,128.34 = 43,192.98 : x
  2. Step 2: Convert to fraction form
    75,453.12/104,128.34 = 43,192.98/x
  3. Step 3: Cross multiply
    75,453.12x = 104,128.34 × 43,192.98
  4. Step 4: Simplify right side
    75,453.12x = 4,497,613,091.09
  5. Step 5: Solve for x
    x = 4,497,613,091.09/75,453.12
  6. Step 6: Final answer
    x = 59,608.05

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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.