Home / 75,428.88-104,110.56-43,593.18

Finding the Fourth Proportional to 75,428.88, 104,110.56 and 43,593.18

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Solution

The fourth proportional to 75,428.88, 104,110.56 and 43,593.18 is: 60,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,428.88 : 104,110.56 = 43,593.18 : x
  2. Step 2: Convert to fraction form
    75,428.88/104,110.56 = 43,593.18/x
  3. Step 3: Cross multiply
    75,428.88x = 104,110.56 × 43,593.18
  4. Step 4: Simplify right side
    75,428.88x = 4,538,510,381.98
  5. Step 5: Solve for x
    x = 4,538,510,381.98/75,428.88
  6. Step 6: Final answer
    x = 60,169.40

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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.