Home / 54,955.80-75,756.33-42,998.37

Finding the Fourth Proportional to 54,955.80, 75,756.33 and 42,998.37

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Solution

The fourth proportional to 54,955.80, 75,756.33 and 42,998.37 is: 59,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955.80 : 75,756.33 = 42,998.37 : x
  2. Step 2: Convert to fraction form
    54,955.80/75,756.33 = 42,998.37/x
  3. Step 3: Cross multiply
    54,955.80x = 75,756.33 × 42,998.37
  4. Step 4: Simplify right side
    54,955.80x = 3,257,398,707.18
  5. Step 5: Solve for x
    x = 3,257,398,707.18/54,955.80
  6. Step 6: Final answer
    x = 59,273.07

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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.