Home / 55,914.99-77,191.25-43,139.49

Finding the Fourth Proportional to 55,914.99, 77,191.25 and 43,139.49

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Solution

The fourth proportional to 55,914.99, 77,191.25 and 43,139.49 is: 59,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.99 : 77,191.25 = 43,139.49 : x
  2. Step 2: Convert to fraction form
    55,914.99/77,191.25 = 43,139.49/x
  3. Step 3: Cross multiply
    55,914.99x = 77,191.25 × 43,139.49
  4. Step 4: Simplify right side
    55,914.99x = 3,329,991,157.46
  5. Step 5: Solve for x
    x = 3,329,991,157.46/55,914.99
  6. Step 6: Final answer
    x = 59,554.53

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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.