Home / 57,313.68-79,089.12-33,436.50

Finding the Fourth Proportional to 57,313.68, 79,089.12 and 33,436.50

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Solution

The fourth proportional to 57,313.68, 79,089.12 and 33,436.50 is: 46,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,313.68 : 79,089.12 = 33,436.50 : x
  2. Step 2: Convert to fraction form
    57,313.68/79,089.12 = 33,436.50/x
  3. Step 3: Cross multiply
    57,313.68x = 79,089.12 × 33,436.50
  4. Step 4: Simplify right side
    57,313.68x = 2,644,463,360.88
  5. Step 5: Solve for x
    x = 2,644,463,360.88/57,313.68
  6. Step 6: Final answer
    x = 46,140.18

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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.