Home / 55,315.27-82,972.95-13,762.27

Finding the Fourth Proportional to 55,315.27, 82,972.95 and 13,762.27

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Solution

The fourth proportional to 55,315.27, 82,972.95 and 13,762.27 is: 20,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.27 : 82,972.95 = 13,762.27 : x
  2. Step 2: Convert to fraction form
    55,315.27/82,972.95 = 13,762.27/x
  3. Step 3: Cross multiply
    55,315.27x = 82,972.95 × 13,762.27
  4. Step 4: Simplify right side
    55,315.27x = 1,141,896,140.60
  5. Step 5: Solve for x
    x = 1,141,896,140.60/55,315.27
  6. Step 6: Final answer
    x = 20,643.42

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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.