Home / 75,428.63-104,110.22-43,592.93

Finding the Fourth Proportional to 75,428.63, 104,110.22 and 43,592.93

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Solution

The fourth proportional to 75,428.63, 104,110.22 and 43,592.93 is: 60,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,428.63 : 104,110.22 = 43,592.93 : x
  2. Step 2: Convert to fraction form
    75,428.63/104,110.22 = 43,592.93/x
  3. Step 3: Cross multiply
    75,428.63x = 104,110.22 × 43,592.93
  4. Step 4: Simplify right side
    75,428.63x = 4,538,469,314.78
  5. Step 5: Solve for x
    x = 4,538,469,314.78/75,428.63
  6. Step 6: Final answer
    x = 60,169.05

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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.