Home / 55,711.48-83,559.01-18,275.50

Finding the Fourth Proportional to 55,711.48, 83,559.01 and 18,275.50

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Solution

The fourth proportional to 55,711.48, 83,559.01 and 18,275.50 is: 27,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.48 : 83,559.01 = 18,275.50 : x
  2. Step 2: Convert to fraction form
    55,711.48/83,559.01 = 18,275.50/x
  3. Step 3: Cross multiply
    55,711.48x = 83,559.01 × 18,275.50
  4. Step 4: Simplify right side
    55,711.48x = 1,527,082,687.26
  5. Step 5: Solve for x
    x = 1,527,082,687.26/55,711.48
  6. Step 6: Final answer
    x = 27,410.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.